Region
Alabama
4
Arizona
1
Arkansas
1
Astronautics
1
Atomic bomb
1
Attica
1
Australia
1
Austria
2
Berlin (Germany)
1
Berlin,
1
Birmingham
2
Boston
1
Camden
1
Camden (N.J.)
1
Canada
1
China
2
Civilization
1
Europe
2
Eyre, Lake (S.A.)
1
Foreign relations
2
France
1
Germany
4
Germany -- History -- 1871-1918
1
Germany,
1
Great Britain
2
Great Plains
1
Haight Ashbury (San Francisco)
1
Hiroshima (Japon)
1
Hiroshima-shi
1
Hiroshima-shi (Japan)
2
Iowa
1
Iran
3
Japan
3
Korea (North)
1
Levittown (N.Y.)
1
Little Rock
1
Love Canal Chemical Waste Landfill (Niagara Falls, N.Y.)
1
Maryland
1
Massachusetts
1
Middle East
1
Mississippi
1
Montgomery
1
Moorestown (N.J.)
1
Morenci
1
Morenci (Ariz.)
1
New Jersey
1
New Mexico
1
New York
1
New York (State)
2
Normandy
1
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