World War, 1939-1945 61 History 58 Campaigns 43 Foreign relations 36 Military campaigns 33 Politics and government 31 Economic conditions 22 Máis ... HISTORY 20 Guerre mondiale, 1939-1945 16 Diplomatic relations 14 Histoire 14 International relations 14 Armed Forces 12 Campagnes et batailles 11 Imperialism 10 Military 10 Social conditions 10 Aerial operations, American 9 Economic policy 9 Social aspects 9 American 8 Foreign economic relations 8 International economic relations 8 Relations 8 General 7 History, Military 7 Officers 7 Discovery and exploration 6 History and criticism 6 In literature 6 menos ...