Military policy Foreign relations -- 16 History -- 4 War on terrorism, 2001- 4 World politics -- 4 Iraq War, 2003- 3 Persian Gulf War, 1991 3 more ... Imperialism 2 National characteristics, American 2 Philosophy 2 Appropriations and expenditures 1 Armed Forces -- 1 Armed forces 1 Balance of power 1 Capitalism -- 1 Christianity and other religions -- 1 Conservatism -- 1 Corporations, American -- 1 Defenses 1 Defenses -- 1 Deterrence (Strategy) 1 Economic aspects 1 Economic aspects -- 1 Education, Higher -- 1 Foreign economic relations 1 Foreign public opinion, American 1 Foreign relations 1 Foreign relations - -- 1 Globalization 1 Great powers 1 less ...