Transparency D-7
United States: Territorial Expansion
WA
ME
D-7
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ND
MT
VT
MN
OR
ID
MI
WI
SD
NY
WY
PA
IA
NE
NV
IL
UT
MD
OH
IN
WV
CO
KS
CA
OK
Pa c i f
ic
Ocea
n
KY
N
60
°N
80° W
FL
xico
Gulf of Me
22° N
Conic Projection
0
300
600 mi
0 300 600 km
170° W
GA
AL
LA
AK
°N
50
TX
Arctic
Ocean
HI
Gulf of
Alaska
160° W 150° W
140° W
Miller Projection
0
75 150 mi
0 75 150 km
N
W
ntic
Atla n
e
Oc a
70° W
SC
AR
MS
70°
NJ
DE
N
S
MO
TN
NM
40°
E
VA
NC
AZ
NH
MA
CT R I
Conic Projection
200
0
0
200
90° W
400 mi
400 km
r
f Cance
Tropic o
Proclamation of 1763
Treaty of Paris, 1783
Louisiana Purchase, 1803
West Florida annexation,
1810, 1812
East Florida ceded by
Spain, 1819
Ceded by Britain, 1818
Texas annexation, 1845
Oregon Country, 1846
Ceded by Mexico, 1848
Gadsden Purchase, 1853
Purchased from Russia,
1867
Annexed, 1898
Webster-Ashburton Treaty,
1842
Map shows present-day borders