This article was downloaded by: [Columbia University] On: 10 May 2013, At: 09:11 Publisher: Routledge Informa Ltd Registered in England and Wales Registered Number: 1072954 Registered office: Mortimer House, 37-41 Mortimer Street, London W1T 3JH, UK The International Spectator: Italian Journal of International Affairs Publication details, including instructions for authors and subscription information: http://www.tandfonline.com/loi/rspe20 Partition as a Solution to Ethnic Conflict Costantino Pischedda Published online: 20 Nov 2008. To cite this article: Costantino Pischedda (2008): Partition as a Solution to Ethnic Conflict, The International Spectator: Italian Journal of International Affairs, 43:4, 103-122 To link to this article: http://dx.doi.org/10.1080/03932720802486480 PLEASE SCROLL DOWN FOR ARTICLE Full terms and conditions of use: http://www.tandfonline.com/page/terms-andconditions This article may be used for research, teaching, and private study purposes. 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Partition as a Solution to Ethnic Conflict Downloaded by [Columbia University] at 09:12 10 May 2013 Costantino Pischedda Over the past 60 years, civil wars have been more frequent, have lasted longer and have caused many more casualties and displacements than inter-state wars.1 Consequently, the body of research devoted to understanding the dynamics of civil conflict has grown significantly. Following the end of the Cold War, a series of high profile clashes (Bosnia, Rwanda and Kosovo) drew the attention of both policymakers and scholars to civil wars fought along ethnic lines. However, key questions on how third parties should intervene to end ethnic violence most effectively remain unsolved. This article examines the existing evidence on the effectiveness of a specific strategy to terminate ethnic war:2 partition, intended as separation of groups in conflict into ethnically homogeneous areas capable of self-defence and enjoying some form of self-government (ranging from regional autonomy to formal independence).3 Partition has become increasingly important in policy circles, as several observers have proposed it as the ultimate solution to the ongoing ethno-sectarian war in Iraq.4 In addition, it has for years been at the core of debate on the future of the Balkans as well as of Georgia’s breakaway regions of Abkhazia and South Ossetia. Costantino Pischedda is a PhD student in the Department of Political Science, Columbia University, NY. The author would like to thank Leslie Hough, Alan Kuperman and Francesco Moro for helpful comments on a previous draft. Any errors that remain are his sole responsibility. Email: [email protected] 1 See, for example, Fearon and Laitin ‘‘Ethnicity, Insurgency, and Civil War’’, 75. 2 In this article, as in the bulk of the relevant literature, ‘‘ethnic civil war’’ is deemed to be an intra-state war between groups with distinct ascriptive characteristics (e.g., race, a myth of common descent, culture, ethnicity, language or religion), in contrast to ideological civil wars, in which the main cleavage is along political and ideological lines. 3 The term partition is used here in a broad sense, including partition proper (according to one definition: a separation agreed by the parties or imposed on them by a powerful external actor) and secession (separation due to the unilateral act of a rebellious ethnic group) because the fundamental conflict resolution logic of partition should apply regardless of the degree of consensuality of separation. For an overview of definitions of partition and secession, see O’Leary, ‘‘Analysing Partition’’. 4 Joseph Biden (Democratic Senator for the state of Delaware and Barack Obama’s running mate for the 2008 US presidential elections) has probably been the most vocal advocate among policymakers of de facto partition in Iraq (see Biden, ‘‘Breathing Room’’). For more analytical arguments in support of partition in Iraq, see, among others, Kaufmann, ‘‘Living Together after Ethnic Killing’’, and Joseph and O’Hanlon, The Case for Soft Partition in Iraq. The International Spectator, Vol. 43, No. 4, December 2008, 103–122 ISSN 0393-2729 print/ISSN 1751-9721 online ß 2008 Istituto Affari Internazionali DOI: 10.1080/03932720802486480 Downloaded by [Columbia University] at 09:12 10 May 2013 104 C. Pischedda The focus on partition’s effectiveness in terminating war is not meant to deny the importance of normative concerns about the demise of multi-cultural societies, the human suffering associated with large-scale population movements or the prohibition in international law on forced migration. Yet, in adopting a consequentialist point of view, it is contended that these legitimate concerns pale in the face of the large-scale loss of human life often associated with continued ethnic violence and that the net number of lives saved through the adoption of a given strategy of humanitarian intervention (in this case international support for partition) should be the primary criterion for assessing its morality. In any case, regardless of the normative approach subscribed to, clarifying what is already known about the effectiveness of partition and what requires further investigation is essential for an informed policy debate and responsible policymaking. This article addresses three specific questions concerning partition. The first is whether and under what circumstances it is an effective strategy of ethnic war termination. Effectiveness here is necessarily a relative concept, to be assessed by comparison to alternative solutions such as power-sharing, which may be more appealing to the international community and appear to be more humane. The second question is whether the benefits of partition, where it is adopted, can offset the risk of generating incentives for minorities elsewhere to rebel. Finally, there is the issue of whether dividing opposing ethnic groups into sovereign states (de jure partition) is a better strategy than merely achieving physical separation of the groups within the same state (de facto partition). These questions are examined in turn below, after a brief presentation of the main tenets of the partition argument. The final section highlights possible directions for further research and discusses the policy implications of the main findings. The partition argument Perhaps the most influential (and controversial) work on partition as a strategy of ethnic conflict resolution has been carried out by Chaim Kaufmann.5 According to Kaufmann, after a certain threshold of violence (which he unfortunately does not clearly identify) is reached, opposing ethnic groups cannot be reconciled and live peacefully together under a common political authority. This is a consequence of the so-called hardening of ethnic identities, due to both ultra-nationalist mobilisation rhetoric and real atrocities committed during the conflict. Once radicalised, Kaufmann affirms, individual loyalties tend to be much less flexible in ethnic conflicts than in ideological ones; the political clout of nationalist hardliners 5 See, in particular, Kaufmann, ‘‘Possible and Impossible Solutions’’ and ‘‘When All Else Fails’’. Downloaded by [Columbia University] at 09:12 10 May 2013 Partition as a Solution to Ethnic Conflict 105 opposed to any form of reconciliation is reinforced and thus cross-ethnic appeals as a solution to the war are likely to fail.6 In addition, Kaufmann argues that ethnic civil wars provoke acute security dilemmas. Large-scale ethnic violence leads to the emergence of a situation of ‘‘anarchy’’, in which ethnic communities can no longer rely on state authority for protection, and therefore need to mobilise to defend themselves. However, under conditions of anarchy, mobilisation efforts – in which nationalist appeals play a crucial role – for defensive purposes are hard to discern from aggressive moves. This risks generating an action-reaction dynamic, leading to a spiral of tensions and hostilities. Population settlement patterns play a crucial role in this escalatory dynamic, because intermingled groups face both defensive vulnerabilities and offensive opportunities. Intermingling generates incentives for both sides to rescue their co-ethnics behind enemy lines and at the same time to expel enemy civilians pre-emptively from territory under their control. While isolated and poorly armed civilians are easy targets for ragtag ethnic militias, a concentrated and homogeneous population is easier to defend.7 Thus the parties in conflict will have an incentive to go on the offensive and the war will continue until the groups are essentially separated.8 Given the asserted impossibility of reconciling ethnic factions, Kaufmann sees only three ways to end ethnic wars: (1) military victory by one side, which leads to the establishment of a clear ethnic ‘‘hierarchy’’; (2) third-party military occupation enforcing inter-ethnic peace; and (3) physical separation of the contending ethnic groups in ethnically homogeneous and militarily defensible areas (i.e., partition). Power-sharing strategies aiming at creating institutional arrangements in which ethnic groups previously engaged in violence against each other share political authority over the same territory are doomed to fail. Kaufmann supports his argument by presenting a database of all ethnic civil wars resolved between 1944 and 1994 (27 cases).9 He argues that none of them ended with a power-sharing agreement, but instead with either: (1) military victory, (2) outside intervention, (3) partition or (4) regional autonomy with the crucial 6 See Kalyvas, ‘‘Ethnic Defection in Civil War’’, for an empirical critique of the notion of rigidity of ethnic identities in civil war. 7 Barry Posen (‘‘The Security Dilemma and Ethnic Conflict’’) was the first to adapt the notion of the security dilemma in international relations to interactions between ethnic groups within states. Posen presents the security dilemma as a cause of ethnic civil war in the aftermath of the collapse of multiethnic states (e.g. the Soviet Union). Kaufmann subsequently applied Posen’s insights more generally to the study of the dynamics of ethnic civil war, emphasizing the security dilemma as a crucial obstacle to war termination rather than as the original cause of the conflict. 8 Perfect ethnic homogeneity is not necessary for peace (and is very rarely achieved in practice) after ethnic war. Stay-behind minorities are not a problem as long as they are politically and militarily weak enough not to represent a threat to the majority (Kaufmann, ‘‘Living Together after Ethnic Killing’’, 280). 9 Kaufmann, ‘‘Possible and Impossible Solutions’’, 160. 106 C. Pischedda characteristics of partition – physical separation into ethnically homogeneous, militarily defensible regions under autonomous rule, although not independent from central political authority. Kaufmann draws straightforward policy recommendations from his analysis: the international community should abandon promotion of power-sharing agreements to resolve violent ethnic conflicts; instead it should encourage and assist population exchanges to achieve ethnic ‘‘unmixing’’, and promote the redrawing of interstate borders where necessary.10 Downloaded by [Columbia University] at 09:12 10 May 2013 Critiques of the partition argument Partition theory has been criticised for three main reasons. First, partition, where it is adopted, does not reduce ethnic tensions but, rather, causes further violence, displacement problems and war. Second, even if partition does work at times, there is no systematic evidence that it outperforms alternative strategies of war termination. Third, it sets a bad precedent and risks provoking an interminable sequence of wars of secession, potentially undermining the stability of the international system. These counter-arguments and relevant empirical evidence are examined below.11 Partition equals more violence? A common criticism of partition is that it inflicts tremendous suffering on the affected populations during its implementation, while it does not necessarily lead to long-term peace within and between the newly created political entities. In the words of Radha Kumar, a leading ‘‘anti-partitionist’’, ‘‘[a]lthough described as the lesser of two evils, the partitions in Cyprus, India, Palestine, and Ireland, rather than separating irreconcilable ethnic groups, fomented further violence and forced mass migration’’.12 The partition of British India was accompanied by violence that claimed hundreds of thousands of lives and created more than ten million refugees; the war for Palestine in 1948 killed 16,000 and displaced 10 It should be noted that partition theory does not say anything about the viability of multi-ethnic states in general. Its focus is more narrowly on the obstacles to conflict de-escalation and the difficulties in rebuilding multi-ethnic societies after large-scale communal violence. 11 Two other critical arguments not addressed in this article – that partition produces small, economically unviable states and that it has a negative impact on the level of democracy of the newly created political entities (see, for example, Etzioni, ‘‘The Evils of Self-Determination’’) – are not based on solid evidence. The small scale of the domestic market is not an insurmountable obstacle to economic development as long as the possibility of integration with international markets exists; in addition, civil peace is a crucial precondition for prosperity, thus the central question remains whether partition is relatively effective in putting an end to violence. In fact, clear-cut cases of countries that failed economically because of their small size are hard to come by, while examples of small successful economies abound (Belgium, Switzerland and Singapore, to mention just a few). On the issue of political development, Sambanis (‘‘Partition as a Solution to Ethnic War’’, 459–64) found a positive and statistically significant relationship between partition and prospects for postwar democratisation (see also Chapman and Roeder, ‘‘Partition as a Solution to Wars of Nationalism’’, 684–5). 12 Kumar, ‘‘The Troubled History of Partition’’, 24–5. See also Fraser (Partition in Ireland, India and Palestine), who argues that partition failed to solve the conflicts he studied. Downloaded by [Columbia University] at 09:12 10 May 2013 Partition as a Solution to Ethnic Conflict 107 about 750,000 Palestinians. Northern Ireland was plagued by civil violence from 1971 to 1998, while the de facto partition of Cyprus has not eliminated tensions between the Greek and Turkish communities on the island – UN peacekeepers and mainland Turkish forces are still present. Moreover, in some cases partition appears to have simply transformed civil wars into international ones. India and Pakistan remain locked in a rivalry that has escalated into war four times since 1947 and contributed to their decisions to develop nuclear weapons; Israel and its Arab neighbours have fought several wars; and in 1998 Ethiopia and Eritrea clashed five years after their formal separation. The problem with this line of criticism is that it tends to attribute negative consequences to partition that largely derive instead from the dynamics of ethnic conflict and specific instances of poor implementation of partition. That population transfers entail enormous human costs is undeniable; they require people to abandon their ancestral homes, and moving populations are vulnerable to both criminal and political violence. But ethnic civil wars can by themselves provoke large-scale population movements and displacements: for example, the war in Bosnia caused the displacement of more than two million people, the March 1999 Serb offensive in Kosovo displaced about 1.4 million (over two-thirds of the region’s population), and at least 4.7 million Iraqis have left their homes since 2003. In many cases, the relevant question is not whether population movements are desirable, but whether planned population transfers with international support and protection are preferable to ethnic cleansing by extremist militias.13 The large-scale violence that followed the partition of colonial India was caused by the intense security dilemmas between its Muslim and Hindu communities at the national level and between Sikhs and Muslims in Punjab following the removal of the imperial power that had previously guaranteed inter-ethnic peace. So it was independence that caused both the partition and the ensuing violence on the subcontinent.14 However, poor planning made matters far worse: many lives could have been saved had the Indian government refrained from sending Muslim refugee trains through Punjab (the focal point of Muslim-Sikh violence after partition) or made systematic efforts to protect, feed and shelter the refugees in transit.15 13 As noted in the introduction, this article is informed by a consequentialist approach, which adopts the net number of lives saved as the main criterion for assessing the morality of a strategy of conflict resolution. For different normative perspectives, informed by the ‘‘just war’’ doctrine, see Coppieters and Sakwa, Contextualising Secession, and Moore, National Self-Determination and Secession. See also O’Leary, Debating Partition: Justifications and Critiques. 14 Kaufmann, ‘‘When All Else Fails’’, 132–41. 15 Ibid., 140. Downloaded by [Columbia University] at 09:12 10 May 2013 108 C. Pischedda Similarly, the partition of Palestine was not the fundamental cause of the 1948 Arab-Israeli conflict: the British did not intend to stay to keep the peace and the Jewish and Arab communities could not agree on a bi-national solution; thus the conflict was probably inevitable. However, the way partition was implemented exacerbated the violence. The partition plan did not provide for any unmixing of the populations (the Jewish state would contain 350,000 Arabs, 40 percent of its population), and the borders were drawn without any consideration for military defensibility.16 The importance of careful planning is further illustrated by the population exchanges between Bulgaria, Greece and Turkey in the 1920s: with the deployment of effective relief services by the League of Nations after 1925, the exchange of one million people was conducted with very limited loss of life, while earlier less organised transfers caused far more deaths.17 Several instances of re-ignition of ethnic violence after partition can also be attributed to failure to plan for and properly implement ethnic unmixing. Northern Ireland, where Catholics and Protestants live intermingled, experienced intense ethnic antagonism and civil war, while the Republic of Ireland, almost entirely Catholic, has been much more peaceful. Kashmir – the one territory where Hindu and Muslim communities were not separated at the time of the Indian partition – has been mired in a communal war since 1989. Analogously, the intensification of Israeli-Palestinian violence during the first and the second intifada can be explained, at least in part, by the higher levels of intermingling due to expanding Jewish settlements in the West Bank and Gaza.18 A critical look at the instances in which partition appears merely to have transformed communal violence into international war also suggests that the anti-partitionist position is overstated. Arguably, the very existence of any Jewish state in the Middle East, not the particular one created through violent partition, has been the fundamental cause of the Arab-Israeli wars. Three of the four postpartition wars between India and Pakistan were fought over ethnically mixed Kashmir and can therefore be interpreted as a consequence of a ‘‘bad’’ partition, rather than of partition in itself.19 By contrast, the war between Eritrea and Ethiopia occurred in spite of very low levels of intermingling and is thus a clear-cut case of the failure of partition to prevent the onset of international war. At the same time, this case illustrates a point 16 Downes, ‘‘The Holy Land Divided’’, 105–6. Kaufmann, ‘‘Possible and Impossible Solutions’’, 171. 18 Downes, ‘‘The Holy Land Divided’’, 107–11. In addition, Downes argues that the lack of a Palestinian state is a major reason for continued violence between Israel and the Palestinians. 19 The 1971 Indo-Pakistani war was caused by the armed secession of Bengali speaking East Pakistan (now Bangladesh) from Urdu-speaking West Pakistan. This additional case of partition cannot easily be attributed to the 1947 partition, but was rather due to ethnic tensions between West Pakistanis and Bengalis and to the fact that West Pakistanis dominated state institutions (Kaufmann, ‘‘When All Else Fails’’, 143). Since partition, the relations between Pakistan and Bangladesh have been relatively peaceful. 17 Downloaded by [Columbia University] at 09:12 10 May 2013 Partition as a Solution to Ethnic Conflict 109 dear to partition advocates: it is often easier to put a permanent end to international wars since the belligerents are not required to share a state and trust each other after the violence ends. Moreover, after partition, the dynamics of the conflict switch from mutual pre-emptive ethnic cleansing to conventional deterrence, which tends to be less volatile and less dangerous for civilians.20 In this specific case, the civil war in Ethiopia between the government and Eritrean rebels lasted for 29 years causing nearly 200,000 battle-related deaths, while the international war between Eritrea and Ethiopia lasted for less than three years and provoked 50,000 battle-related deaths.21 The sceptical view of the effectiveness of partition is apparently supported by a statistical study conducted by Nicholas Sambanis. Analysing 145 cases of both ethnic and ideological civil war in the post-1945 period, he found partition to be positively associated – albeit not at conventional levels of statistical significance – with war recurrence. This means that, other things being equal, a conflict characterised by partition is more likely to rekindle than one in which partition does not occur.22 This study suffers, however, from a logical flaw much like the one found in some of the critiques of partition discussed above. Sambanis defined partition as a war outcome that entails border adjustments and demographic changes, without considering whether ethnic unmixing occurred. Carter Johnson suggested correcting Sambanis’ approach by constructing a variable measuring the degree of ethnic unmixing occurring as a consequence of partition.23 Using Sambanis’ dataset, he found that in none of the six cases in which the opposing ethnic groups were separated almost completely did the conflict recur within five years, while in five 20 Kaufmann, ‘‘Possible and Impossible Solutions’’, 150. In this situation, defensible borders and a balance of power between the parties in conflict are crucial for stability in that they increase the costs of aggression and reduce the probability of its success. The possibility of a resolute response from the international community to a clear-cut case of international aggression would further lower incentives for both sides to go on the offensive. 21 Lacina and Gleditsch, ‘‘Monitoring Trends in Global Combat’’. Fearon and Laitin (‘‘Ethnicity, Insurgency and Civil War’’, 75) point out that, in the 1945–99 period, there were 25 inter-state wars, with an average duration of less than three months; by contrast, in the same period, there were 125 civil wars, with an average duration of about six years. 22 Sambanis, ‘‘Partition as a Solution to Ethnic War’’, 466–70. 23 Johnson, ‘‘Partitioning to Peace’’. His construction of a Post-partition Ethnic Homogeneity Index (PEHI) assumes the partition of a war-affected country between two ethnic groups. Each of the two newly-created entities has a minority. The index is thus calculated: PEHI ¼ ½OSM ðRSM þ NSMÞ 100 OSM where OSM (Original State Minority) is the size of the minority in the original country (expressed as a percentage of its total population), RSM (Rump State Minority) is the size of the original minority left in the rump state after partition (as a percentage of its population), and NSM (New State Minority) is the size of the fraction of the original majority that stayed as a minority in the new state (again as a percentage of its population). The maximum possible value for PEHI is 100 (complete separation). This value decreases as the stay-behind minorities grow with respect to the original minority. 110 C. Pischedda of the 11 (45 percent) cases in which populations were still substantially intermingled, peace lasted for less than five years.24 Downloaded by [Columbia University] at 09:12 10 May 2013 Partition vs. power-sharing Thus, if well planned and implemented, partition can bring about lasting peace. Criticising partition simply because war sometimes flares up again in its aftermath misses the point that partition is not meant to guarantee peace, but rather to reduce the risk of continued war. It does so by removing two key obstacles to the de-escalation of violence: the need for high levels of cooperation between formerly opposing belligerents and fears for group survival. Thus the crucial question is how well partition performs relative to other strategies of ethnic war termination. Given the very substantial human costs that large population transfers entail (even under the best of circumstances), if solutions at least as effective and less draconian exist, it may make no sense to even consider partition. The alternatives to partition can essentially fall into the categories of military victory or power-sharing agreements.25 Military victory is a relatively effective way to end ethnic civil wars,26 but it often entails very serious costs. Achieving a military victory requires either letting the conflict ‘‘run its course’’ with no external involvement or intervening to tilt the balance in favour of one side. Both policies may be hard political sells in the era of the ‘‘responsibility to protect’’ because they 24 Johnson, ‘‘Partitioning to Peace’’, 160–1. In cases of almost complete separation, Johnson’s index takes on a value of at least 95 out of 100, but the picture remains substantially unaltered if a lower separation threshold (PEHI>70) is adopted to distinguish between ‘‘good’’ and ‘‘bad’’ partitions (0 percent and 56 percent of war recurrence after five years, respectively). Kaufmann (‘‘Living Together after Ethnic Killing’’, 285) noted that the PEHI is not an ideal measure of the ‘‘quality’’ of partition, because it simply captures the reduction in size of rump minorities. A better indicator of the post-partition intensity of the security dilemma would be the size of the left-behind minority relative to the total population of the rump state. However, in practice using this alternative measure makes a difference in only one case – the 1994–96 conflict in Chechnya, where the Russian community represented only 2.5 percent of the total population after 1996, but which receives a negative PEHI score because the minority share before the conflict was even lower. This conflict recurred within five years in spite of the very low level of residual intermingling, which speaks against partition theory. 25 Some databases consider an additional typology of war outcome, cease-fires or stalemates; often, cases of de facto partition are coded this way. Moreover, some databases distinguish between negotiated settlements and power-sharing agreements, the latter being a particular case of the former, in which belligerents explicitly agree on a formula to share power. Negotiated settlements that entail regional autonomy or federalism are not considered instances of partition here, consistently with the logic of Kaufmann’s argument, unless they entail the creation of autonomous regional security forces. 26 Kaufmann (‘‘Living Together after Ethnic Killing’’) finds that 43 percent (17 of 40) of post-Second World War ethnic wars ending in military victories recurred; Licklider (‘‘The Consequences of Negotiated Settlements in Civil War’’) codes 21 percent of identity civil wars concluded with a military victory as recurring; and Toft (‘‘Peace through Security’’) finds that 12 percent (10 of 81) of civil wars (both ethnic and ideological) ending in military victories started again. After controlling for other determinants of civil war recurrence, Toft (‘‘Peace through Security’’) and Fortna (‘‘Does Peacekeeping Keep Peace?’’) find a positive relationship between the occurrence of military victory and lasting peace. These results stand in contrast to Doyle and Sambanis’ (Making War and Building Peace) findings (they code 28 cases of war recurrence out of 47 military victories in ethnic wars, a failure rate of 60 percent). Downloaded by [Columbia University] at 09:12 10 May 2013 Partition as a Solution to Ethnic Conflict 111 may involve more casualties (inevitably including civilians) in the short run in exchange for stability in the long run.27 In any case, a clear trend away from military victory toward negotiated settlement of civil wars has emerged since the early 1990s.28 Consequently, in many cases, international policymakers will be faced with choosing between supporting partition or promoting power-sharing. As noted earlier, Kaufmann is sceptical of the viability of power-sharing agreements to the point of claiming that they are impossible solutions to ethnic conflict.29 However, several studies have identified instances of successful powersharing. Alan Kuperman pointed out six cases in which a power-sharing agreement following an ethnic war ushered in over ten years of peace (Lebanon-1958, Sudan1972, Zimbabwe-1979, Mozambique-1992, South Africa-1994 and Guatemala1996). None of these cases can be interpreted as a disguised military victory (all the parties in conflict made substantial concessions and none of them was about to be defeated on the battlefield) or as an instance of third-party peace-enforcement (there was either no external enforcement or the intervention was short-lived and the peace continued for over ten years after the departure of foreign troops).30 However, the fact that power-sharing can work does not mean it is likely to do so. A glance at the number of cases settled with partition and with power-sharing and their respective rates of success suggests that partition has been somewhat more effective. Eleven ethnic wars which have ended with partition since 1945 have not recurred, while power-sharing deals have brought about stable peace after seven ethnic conflicts (Table 1, next page).31 Partition outperforms power-sharing more substantially if one looks at their success rates: partition could not prevent war recurrence in 35 percent of cases (six out of 17) in which it was attempted (India-1947, Palestine-1948, Kashmir-1948, Cyprus-1964, Ethiopia-1993, Chechnya-199632), while ethnic power-sharing failed in from 40 to 56 percent 27 In some cases, given the existence of constraints on the interveners’ level of military commitment, support for the stronger side in the civil war may be the only sensible form of external involvement, but this course of action may be especially unpalatable because it often entails siding with the actor responsible for most of the humanitarian law violations. See Betts, ‘‘The Delusion of Impartial Intervention’’. 28 Toft, ‘‘Peace through Security’’. 29 Kaufmann, ‘‘Possible and Impossible Solutions’’. Subsequently, Kaufmann (‘‘Living Together after Ethnic Killing’’) acknowledged five cases of successful power-sharing (three of which he codes as later overturned by the majority), while still maintaining that this strategy is very likely to fail. 30 Kuperman, ‘‘Is Partition Really the Only Hope?’’. 31 Alternatively, we could use a definition of success as peace lasting for a certain period of time, for example five years. In this way, we should consider as successful the 1949 de facto partition of Kashmir (the conflict re-ignited in 1965), while, on the power-sharing side, the 1958 agreement in Lebanon (in force until 1975) and the 1972 settlement in Sudan should be included. 32 The August 2008 clashes between Russian and South Ossetian forces, on the one hand, and the Georgian military, on the other, are not considered episodes of recurrent war because, according to the limited information available at the time of writing, the death toll did not reach the conventional threshold used to define war (1000 battle-related deaths). See T. Bahrampour, ‘‘An Uncertain Death Toll in Georgia-Russia War’’, Washington Post, 25 August 2008, A01. Even if this conflict is coded as a war, partition still outperforms power-sharing, albeit by a smaller margin (ten wars successfully ended with partition and a corresponding 41 percent recurrence rate). 71/71 74 91 91/92 92/93 92/93 92/94 91/95 92/95 75/99 98/99 72/79 75/89 77/92 84/94 80/96 Power-sharingh Zimbabwe Lebanon Mozambique South Africa Guatemala Start & end year jure partition facto partition facto partition facto partition facto partition facto partition facto partition jure partition facto partition jure partition facto partition Power-sharing Power-sharing Power-sharing Power-sharing Power-sharing De De De De De De De De De De De Settlement 0.3 <0.01 n.a. 40.5 0.05 0.08 0.25 4.49 3.2 n.a. 6 Residual interminglingb 7,596 144,000 109,749 4,664 26,850 50,000 5,800 10,000 1,000g 1,200g 2,500 19,200 1,900 40,413 33,525 4,500 Battle-related deaths Successful post-WW II partitions and power-sharing (no war recurrence) Partitiond Pakistan (Bangladesh) Cyprus Iraq (Kurdistan) Moldova (Transdniestria) Georgia (South Ossetia) Georgia (Abkhazia) Azerbaijan (Nagorno-Karabakh) Croatia Bosnia Timor Leste Serbia (Kosovo) Conflicta Table 1. Downloaded by [Columbia University] at 09:12 10 May 2013 0 8 0 0 0 0 72e 0f 17 7 12 0 0 19 10 20 External enforcement (troops per 1000 population)c 112 C. Pischedda 92/97 71/98 Power-sharing Power-sharing 41,300 3,148 7 9 n.a. ¼ not available. Notes: aEthnic wars that have not been over for at least five years – the standard timeframe in the literature to distinguish between a pause in fighting and the end of a war – are excluded (e.g., the North-South Sudanese war concluded with the 2005 Comprehensive Peace Agreement). b The residual level of intermingling after partition is measured as the size of the largest minority in the two rump states (as a percentage of the state’s total population). c It refers to the initial level of enforcement, which tends to be the highest, in the aftermath of war. The level of enforcement is coded as zero when external forces were withdrawn within a few months after the end of violence (i.e., in the cases of Pakistan, Zimbabwe and Iraq). d Three cases of partition reported in Kaufmann’s database are not included in this list. The partition of Algeria from France is excluded because it is a colonial case and there is no agreement in the literature as to whether wars of decolonization should be considered as analytically comparable to ethnic civil wars. The 1991 secession of Somaliland from Somalia is not included because it is not clear how it should be coded: Somaliland did not experience significant violence after the secession so this could be considered a case of successful partition; by contrast, the rest of the country remains mired in war, but it is not clear why one should expect the separation of one of the warring parties in Somaliland to prevent those remaining in rump Somalia from continuing their fight. The secession of Slovenia from Yugoslavia is excluded because of the extremely low level of deaths caused by the clashes between Slovenian and Yugoslav forces (reflected in the fact that the conflict is not usually reported in civil war datasets). Instances of concession of regional autonomy after ethnic war that do not entail the creation of regional defence capabilities, including autonomous security forces, are not considered cases of partition. e This figure includes both UN peacekeepers and mainland Turkish forces deployed in Northern Cyprus. f Operation Provide Comfort had a substantial ground force component, which withdrew after a few months. The only stable military presence on the ground were about 300 UN observers; the international community continued to provide deterrence against Iraqi aggression against the Kurdish population through air-power only. g This figure comes from Doyle and Sambanis, Making War and Building Peace, because the source used for the other codings (Lacina and Gleditsch, ‘‘Monitoring Trends in Global Combat’’) reports a death toll just below 1000, the standard threshold of violence for the definition of civil war, while the majority of civil war datasets consulted lists this conflict. h Several cases of apparently successful power-sharing agreements (at the central or regional level) are excluded here because in reality most provisions of the agreement were not implemented (for example, after the war between Bangladesh and the Chittagong Hill People) or because the conflict in question never reached conventional levels of violence and is thus not reported in most civil war datasets (e.g., Nicaragua vs. Miskitos and Spain vs. Basque separatists). Sources: Johnson, ‘‘Partitioning for Peace’’ (intermingling); Lacina and Gleditsch ‘‘Monitoring Trends in Global Combat’’ (battle-related deaths); The Military Balance, various years, and Dobbins et al., The UN’s Role in Nation-Building (external enforcement). Tajikistan UK (N. Ireland) Downloaded by [Columbia University] at 09:12 10 May 2013 Partition as a Solution to Ethnic Conflict 113 Downloaded by [Columbia University] at 09:12 10 May 2013 114 C. Pischedda of cases, depending on the database used.33 In line with the theory, in almost all successful cases of partition, the residual level of ethnic mixing was extremely low, while this was not so in the cases of post-partition war recurrence.34 It is important to note that in many of the cases of successful partition and power-sharing reported in Table 1, external actors deployed military contingents to keep or even impose the peace. Here, third-party enforcement is not considered a distinct typology of ethnic war termination because the presence of international forces has become very common and because it is impossible, with the methodology adopted, to discriminate between cases in which intervention may have been the key cause of peace and those in which the institutional dimension of the settlement (that is, partition or power-sharing) may have played a more crucial role. In addition, proponents of partition and power-sharing do not see these solutions as incompatible with third-party security guarantees. Nevertheless, a comparative assessment of partition and power-sharing needs to take into account to what extent the two strategies rely on third-party military presence. High levels of external enforcement raise questions about whether the peace will be self-sustaining once the peacekeepers depart and whether long-term deployments of robust international forces are feasible, given existing constraints on international resources. In this light, as Table 1 indicates, successful powersharing deals have the merit of relying less on external enforcement, as measured by the number of international troops per thousand of local population.35 In sum, the historical record provides a relatively positive picture of partition vis-à-vis power-sharing: there are more instances of successful partition on which to base future policy.36 At the same time, the fact that the successful cases of powersharing required less external enforcement suggests that it is premature to write off 33 Toft (‘‘Peace through Security’’) lists seven ethnic conflicts out of 16 (44 percent) that ended with a negotiated settlement since the end of the Second World War as recurring. Kaufmann (‘‘Living Together after Ethnic Killing’’) points out that half of the ethnic wars that terminated with power-sharing resumed. Hartzell and Hoddie (‘‘Institutionalizing Peace’’) code ten out of 19 (53 percent) ethnic conflicts that ended with power-sharing as recurring, while according to Doyle and Sambanis (Making War and Building Peace) five out of nine (56 percent) ethnic wars terminated with a negotiated settlement started again. (Cases of partitions that Toft, Hartzell and Hoddie, and Doyle and Sambanis code as negotiated settlements were excluded from these calculations.) 34 In eight of the nine cases of successful partition for which data is available, the largest stay-behind minority represented less than 10 percent of the total population of the rump state (see Table 1). Conversely, in four of the six cases of war recurrence, the largest minority represented over 10 percent of the total population (the level of intermingling for the unsuccessful cases is not reported; see Johnson, ‘‘Partitioning to Peace’’, 158). 35 The classical reference for a methodology for calculating troop requirements for peace-enforcement operations is Quinlivan, ‘‘Force Requirements for Stability Operations’’. 36 The simple methodology adopted here does not make it possible to check for the impact of other factors that may affect the risk of war recurrence, thus the possibility cannot be ruled out that the observed correlation between partition and post-war peace is spurious. In addition, there could be a selection bias in the data due to the fact that the international community is likely to consider partition when groups are not highly intermixed, but these cases are also likely to be easier to settle according to partition theory. Partition as a Solution to Ethnic Conflict 115 this strategy of conflict resolution. In fact, on the one hand, higher levels of external enforcement have the potential of improving the chances of success of powersharing in the future; on the other hand, it may be difficult to build the political will for deployment of the robust international forces that the historical record suggests could be necessary for partition to work. Downloaded by [Columbia University] at 09:12 10 May 2013 Contagious rebellions Perhaps the strongest objection to partition is that it risks setting a bad precedent, creating incentives for more separatist wars and making ongoing conflicts more intractable. International interventions aimed at partitioning countries affected by ethnic war would teach disgruntled minorities around the world that resorting to violence to obtain statehood pays off.37 In a worst-case scenario, these perverse incentives could unleash a domino sequence of ethnic rebellions, thus potentially destabilising the international system. Some form of contagion could happen even without a radical change in international norms (that is, establishing that the principle of self-determination of minorities takes precedence over the preservation of state territorial integrity). Contagion could occur simply as a consequence of an ad hoc policy of support for partition, as long as the criterion for intervention is the passing of a certain threshold of violence.38 Partition advocates respond to this objection by asserting that contagion dynamics tend to play a very small role, if any, in the decision to rebel. Kaufmann argues that, as secession is very costly, only groups that see no viable alternative to rebellion head down this dangerous path.39 A variation on the theme is the argument that acknowledges the possible contagion effects of partition but holds that this is likely to be only marginal, and that domestic factors are far more important in decisions to launch a rebellion than the international environment. The limited influence of contagion, according to Alexander Downes, is due to the fact that precedents are rarely established in international relations ‘‘because they require common interpretations by many actors from a variety of viewpoints, followers who abide by the resulting convention, and a lack of ambiguity regarding whether the relevant convention applies to a given situation’’.40 Finally, Kaufmann argues that even if partition 37 This form of diffusion of civil war is often referred to as ‘‘contagion’’, ‘‘domino effect’’ or ‘‘demonstration effect’’. It is intended as the spread of armed violence ‘‘through the lessons drawn by actors outside the original conflict’’ and it should be considered as analytically distinct from other forms of conflict diffusion, such as spillover effects associated with refugee and small-arm flows (Ayres and Saideman, ‘‘Is Separatism as Contagious’’, 94). 38 Fearon (‘‘Separatist Wars, Partition, and World Order’’) notices that this incentive problem is not limited to existing minorities dissatisfied with the status quo. Ambitious political entrepreneurs will be tempted to ‘‘activate’’ ethnic cleavages that previously were not salient so as to have a plausible claim of statehood (and associated benefits); launching an armed insurgency with the objective of provoking state retaliation may be an effective way to do just that. 39 Kaufmann, ‘‘Living Together after Ethnic Killing’’, 288. 40 Downes, ‘‘The Holy Land Divided’’, 87. Downloaded by [Columbia University] at 09:12 10 May 2013 116 C. Pischedda theory were to dominate international thinking on how to respond to ethnic civil war, secessionist rebels would rarely receive active international support, mostly because of the aversion of public opinion in the first world to military entanglements abroad, and that rebel decision-makers are well aware of this fact. Yet, these counter-arguments are not compelling. Even if one accepts that clear international precedents cannot be established, it does not necessarily follow that certain behaviour patterns in the international system cannot be detected. Thus for contagion to occur, ethnic rebels do not have to be certain of forthcoming international support but simply have to perceive an increase in the probability of this happening as a result of previous cases of internationally-sanctioned partition. Ultimately, clarifying how prevalent and important contagion dynamics are is an empirical issue. Ayres and Saideman provide some support for the contagion argument with their finding that successful secessionist attempts are associated with a higher probability that an ethnic group in the same region will be separatist.41 The most solid empirical evidence, however, of how the prospect of third-party intervention, rather than simple observation of rebellion outcome, affects the risk of ethnic war comes from case studies of the recent wars in Bosnia and Kosovo. Kuperman finds that the emerging norm of the responsibility to protect, ‘‘by raising expectations of diplomatic and military intervention to protect groups targeted by . . . [government] retaliation, creates moral hazard that unintentionally fosters rebellion by lowering its expected cost and increasing its likelihood of success’’.42 In 1992, Bosnia’s Muslim leaders decided to secede from Yugoslavia, with full awareness of the high risk of massive Serb retaliation and of the virtual impossibility of prevailing against military superior forces because they expected international intervention on their behalf.43 Similarly, in 1998–99, the Kosovo Liberation Army (KLA) launched a hit-and-run campaign against government forces and installations in the region with the deliberate intention of provoking Serb retaliation against the Albanian population so as to attract international military intervention in support of their cause.44 It remains to be seen whether these two cases illustrate a relatively common pattern, but the generalisability of this mechanism cannot be ruled out, as Kaufmann seems to do, by asserting that Western publics 41 Ayres and Saideman, ‘‘Is Separatism as Contagious’’, 101–8. However, the magnitude of the effect is substantially smaller than those associated with domestic determinants of separatism. In addition, the study is affected by problems of endogeneity, which do not make it possible to assess whether the observed correlation really supports the existence of a contagion effect or may instead indicate that unobserved factors cause both successful secessionism and subsequent secessionist tendencies in the region. 42 Kuperman, ‘‘The Moral Hazard of Humanitarian Intervention’’, 51. 43 Ibid., 56–64. 44 Ibid., 64–71. In principle, the prospect of external intervention in support of a victimised minority could reduce the risk of war by deterring government retaliations against provocations by the rebels. But this did not happen in the two cases studied by Kuperman. In Kosovo, threats of NATO bombing did persuade Milosevic to agree on a cease-fire with the KLA and not to exploit his military advantage, but they were not sufficient to make him acquiesce in the rebels’ violation of the cease-fire and reoccupation of previously abandoned territory. Downloaded by [Columbia University] at 09:12 10 May 2013 Partition as a Solution to Ethnic Conflict 117 are anti-interventionist. This claim is belied by the activism of the international community, which has conducted forceful humanitarian interventions in 20 countries since 1990.45 The fact that there will never be the material resources and political will to intervene in each and every case of ethnic war does not mean that ethnic minorities will see intervention as an implausible prospect and will not try to increase their chance of receiving external help by emulating previous successful attempts. Thus, the uncomfortable bottom line is that partition may be an effective conflict management strategy, but risks generating incentives for new separatist rebellions. Policymakers deciding whether to intervene in support of partition in a specific case will have to weigh the probability of putting an end to the war and the importance they attribute to this outcome (which may be a function of humanitarian concerns, fears that continuation of the conflict will destabilise neighbouring countries through refugee flows, and national security considerations) against the specific risks of contagion, in particular at the regional level.46 De facto or de jure partition? Whether partition is de facto or de jure may have an impact on the risk of contagion. Formal recognition of statehood is extremely valuable for ethnic groups controlling a certain territory because it gives access to balance-of-payments finance, development assistance, potentially more military support, and a set of rights and privileges under international law and practice. Thus an external intervention in support of de jure partition should be expected to have a stronger contagion effect than one aimed at creating a loose federation or de facto partitioning of a country. This reasoning underlies recent proposals for partition in Iraq, which envisage the creation of three loosely federated ethnically homogeneous regions with autonomous security forces, rather than de jure partition. It is thought that such an institutional arrangement would reduce the risk of Turkish military intervention, given that Turkey would be especially wary of the demonstrative effect on its own Kurdish population of an independent Kurdistan.47 On the other hand, the two types of partition could differ in terms of their effectiveness in terminating conflicts. At first, Kaufmann emphasized physical 45 Afghanistan, Albania, Bosnia, Burundi, Central African Republic, Croatia, Democratic Republic of Congo, East Timor, Georgia, Haiti, Iraq (Kurdistan-1991), Ivory Coast, Kosovo, Liberia, Macedonia, Rwanda, Sierra Leone, Somalia, Sudan (Darfur) and Tajikistan (ibid., 52). This list does not include consent-based peace-keeping and monitoring missions as well as other forms of intervention that do not entail troop deployments, such as economic sanctions and diplomatic pressures. 46 Demonstration effects are likely to be especially strong within the same region because ethnic groups are more likely to see as relevant the experiences of groups that are similar to them and that operate in a similar environment, while at the same time information on groups in the region is more easily accessible. 47 See for example, Kaufmann, ‘‘Living Together after Ethnic Killing’’, and Joseph and O’Hanlon, The Case for Soft Partition in Iraq. Downloaded by [Columbia University] at 09:12 10 May 2013 118 C. Pischedda separation as the crucial element, asserting that ‘‘[s]overeignty is secondary: defensible ethnic enclaves reduce violence with or without independent sovereignty, while partition without separation does nothing to stop mass killing’’.48 Subsequently, Kaufmann came to accept Downes’ view that a combination of demographic separation and sovereignty is a more effective solution to communal conflict, because it minimises the instances in which former enemies need to cooperate and trust each other, and it does not require them to disarm or merge their military forces.49 A state in which former enemies have to share sovereignty over the same territory is likely to be dysfunctional because its institutions will be paralysed by mutual distrust and the political discourse will be dominated by ethnic parties and extremists. Moreover, both sides will be reluctant to disarm for fear of being vulnerable in case the enemy cheats; third-party intervention may not be sufficient to overcome these fears because the local actors know that the international presence is only temporary. In addition, formal admission to the club of states comes with the important advantage that it is more likely that there will be international support against possible revanchist aggression.50 Without de jure partition, opportunities for conflict will abound. These arguments are not entirely convincing. Certainly, ethnic tensions in de facto partitioned countries can impair the functioning of state-wide institutions, as the case of Bosnia illustrates. In reality, however, the difficulties associated with demobilisation and integration of the ethnic armed forces are not necessarily so daunting because ethnic groups do not need to disarm, regardless of the legal status of the newly created political entities. Downes’ observation that if ethnic groups are allowed to keep separate security forces, then more than one state exists, given that monopoly over means of coercion is a necessary attribute of the state, is tautological and purely definitional. Brought to its logical conclusion, this assertion implies that there is no such as thing as de facto partition and that, for example, the Republika Srpska (the Serb entity in Bosnia) and Nagorno Karabakh (Azerbaijan’s ethnically Armenian break-away region) are states because they have control over local security forces (limited to the police in Bosnia). Another argument in favour of de jure partition is that several studies have found a positive correlation between regional ethnic group concentration and the risk of 48 Kaufmann, ‘‘Possible and Impossible Solutions’’, 137. Kaufmann, ‘‘Living Together after Ethnic Killing’’, 282. 50 Downes, ‘‘The Holy Land Divided’’. It would be possible to make a further distinction within the category of de facto partition between cases in which the post-partition political entities are enshrined in the state’s constitution (as in Bosnia) and cases in which partition is simply the product of a cease-fire between the belligerents and there is no agreement on sovereignty (as in Georgia and Azerbaijan, for example). The two typologies could be characterised by different risks of war re-ignition because a partition following a cease-fire may come closer to a de jure partition, in that it minimises the need for cooperation between opposing ethnic groups. This distinction is not elaborated in this article because Bosnia is the only instance of constitutionally-sanctioned de facto partition. Other cases of ethnic war that ended with the concession of varying degrees of regional autonomy cannot qualify as partition because they did not entail autonomous regional defence capabilities. 49 Downloaded by [Columbia University] at 09:12 10 May 2013 Partition as a Solution to Ethnic Conflict 119 group rebellion.51 David Laitin’s theoretical explanation of this finding is that group concentration increases the feasibility of mobilisation for insurgency, making it easier for militants to control (ensuring cooperation and punishing defection) the population in whose name the insurgency is being carried out.52 In this light, if undivided sovereignty accompanies ethnic unmixing, partition will increase the risk of civil war by increasing group concentration. By contrast, this dynamic would not apply in cases of de jure partition because the contending groups each get their own state. However, Laitin’s measure of group concentration is not a good proxy for demographic separation as prescribed by partition theory. Rather, it captures the concept of a regional base, where at least 25 percent of the minority group resides and in which the minority represents the predominant share of the population. The existence of such a regional base does not say anything about the settlement patterns in the rest of the country, which could be highly intermixed and therefore very sensitive to security dilemmas. Thus it is far from clear whether the correlation between this measure of group concentration and civil war onset can be construed as evidence of the superiority of de jure partition. Deductive arguments aside, the empirical evidence does not support the notion that de facto partition is less effective. Only three of the 11 successful partitions in Table 1 were de jure partitions; in addition, two of the six cases of failed partition mentioned above (India-1947 and Ethiopia-1993) were de jure partitions.53 Thus, given the plausibility of a lower risk of contagion associated with de facto partition, this option may often be preferable to formal partitioning of sovereignty.54 Conclusion This review of the empirical evidence suggests that partition can be a viable strategy of ethnic war termination and that the majority of cases of failure can be explained in terms of incomplete demographic separation of the belligerents. Furthermore, 51 See, among others, Laitin, ‘‘Ethnic Unmixing and Civil War’’. Ibid. 53 The partition of Palestine is considered here as de facto partition because it did not lead to the emergence of two sovereign states but just one – Israel. In their recent statistical study, Chapman and Roeder (‘‘Partition as a Solution to Wars of Nationalism’’) found evidence in support of the hypothesis that de jure partition is more effective in terminating ethnic war. However, it is not clear how robust their findings are given the unusual definition of success – a peace lasting at least two years. If, instead of this temporal standard, one considers whether a conflict has ever recurred, the failure rate of de jure partition becomes much higher (43 percent or 3 out of 7 cases, as opposed to 12 percent or 1 out of 7 cases with the two year-peace standard). 54 This is not to deny that de facto partition may be a temporary solution, with the possible tendency to evolve over time into de jure partition or recentralization of state authority (the recent recognition of the independence of Kosovo by part of the international community and international efforts to reinforce federal institutions in Bosnia are examples of these opposite patterns). However, as long as this tendency is not associated with renewal of war it should not be counted as evidence against the conflict resolution effectiveness of de facto partition. 52 Downloaded by [Columbia University] at 09:12 10 May 2013 120 C. Pischedda the historical record reveals more instances of lasting peace after partition than after power-sharing. This is not to say that partition should be the primary strategy of international intervention during ethnic conflict, but simply that it deserves serious consideration and should not be excluded a priori. Nevertheless, the methodology adopted here does not make it possible to check for the impact of several other factors likely to affect the risk of war recurrence. Thus, the possibility that the observed relationship between partition and lasting peace is spurious cannot be ruled out. Future studies will have to try to address this problem with statistical methodologies. As noted, there have been attempts in this direction, but the existing analyses do not account for any measure of residual ethnic intermingling after partition and thus fail to test partition theory properly. Efforts should also be devoted to developing a new index of ethnic intermingling, which would not simply measure the size of rump minorities, but would also consider their territorial distribution within the state. This would make it possible to test the core prediction of the security dilemma theory, that is, that highly intermingled patterns of population geography are the most dangerous. At the same time, more research is needed to clarify under what circumstances power-sharing deals are likely to hold. This would help policymakers managing a specific conflict tackle the difficult task of figuring out whether it is still possible to reconcile the parties or whether ethnic antagonisms have reached a point of no return, making partition the only sensible course of action. In addition, interveners have to give careful consideration to the possibility that supporting partition in a certain case might encourage secessionist rebellions elsewhere. The risk of contagion implies that policymakers may face a tough trade-off between putting an end to a specific conflict and preserving the stability of the wider region. Finally, a key policy dilemma emerges from the observation that partition tends to work only if ethnic groups are separated. If populations are intermingled but promoting partition still seems the only viable strategy of intervention, the international community will have to assess whether the political will to promote ethnic unmixing exists. Ethnic separation can be achieved through voluntary and peaceful population exchanges between the contending groups, encouraged and supervised by the international community or, more controversially, through support for a local actor engaged in an effort to take over an ethnically mixed area (US support for the Croatian offensive to recapture Krajina during the war in Bosnia, which created 200,000 Serb refugees, exemplifies this approach). 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