Region
United States
United States --
23
Japan
2
Japan --
2
Soviet Union
2
Soviet Union --
2
Canada
1
Canada --
1
Colombia
1
Colombia --
1
Developing countries
1
Developing countries --
1
Europe
1
Europe --
1
Finland
1
Finland --
1
France
1
France --
1
Franco - German war --
1
Germany
1
Germany --
1
Government policy
1
Iran
1
Iran --
1
Israel
1
Latin America
1
Latin America --
1
Maryland
1
Mexico
1
Mexico --
1
Minnesota
1
Russia
1
Russia --
1
Soviet
1
United States. Congress --
1
United states --
1
Washington (D.C)
1