Region
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Balkan Peninsula
2
Baltic States
2
Boston
2
Brazil
2
Central America
2
Communist countries
2
Croatia
2
Czechoslovakia
2
Developing countries
2
Earth (Planet)
2
Ecuador
2
English-speaking countries
2
European Economic Community countries
2
Florence (Italy)
2
Foreign countries
2
Gaul
2
Geneva
2
Halley's comet
2
Indian Ocean Region
2
Landen (Belgium)
2
Languedoc
2
Loreto
2
Loreto (Italy)
2
Marne River Valley (France)
2
Marseille
2
Martinique
2
Mississippi River Valley
2
Morocco
2
Moselle River Valley
2
New England
2
Normandy
2
Normandy (France)
2
Norway
2
Orient
2
Puerto Rico
2
Quito
2
Rhine River
2
Rome (Italy)
2
Social conditions
2
USA
2
Ukraine
2
Venice (Italy)
2
Western Hemisphere
2
Western countries
2
World War, 1914-1918
2
Aleppo (Syria)
1
Allemagne
1
Americas
1
Angers (France)
1
Armenia
1
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