Foreign relations History Politics and government 10 Economic conditions 3 Foreign relations -- 3 History, Military 2 Social conditions 2 more ... Anti-Americanism -- 1 Civil service -- 1 Civilization 1 Colonies -- 1 Crusades 1 Diplomacy -- 1 Economic policy 1 Education -- 1 Foreign economic relations 1 Foreign policy 1 Foreign public opinion 1 Guerrilla warfare -- 1 History -- 1 International law 1 Intervention (International law) -- 1 Military policy 1 National characteristics, American 1 Opium trade 1 Philosophy 1 Regionalism 1 Regionalism -- 1 Revolutions -- 1 Transportation -- 1 less ...