Foreign relations -- 4 Defence -- 2 Economic conditions -- 2 Government policy -- 2 History 2 History -- 2 Military policy 2 more ... Policies of government 2 Case studies -- 1 Colonies -- 1 Commerce -- 1 Debts, External -- 1 Defenses 1 Defenses -- 1 Dependency on foreign countries -- 1 Deterrence (Strategy) 1 Economic conditions 1 Emigration and immigration -- 1 English language -- 1 Foreign countries 1 Military relations -- 1 Nuclear warships -- 1 Nuclear weapons -- 1 Peace -- 1 Politics and government 1 Politics and government -- 1 Relations -- 1 Social aspects -- 1 Social life and customs 1 Tariff preferences -- 1 less ...