Foreign relations -- 3 Imperialism Military policy Balance of power 1 Capitalism -- 1 Christianity and other religions -- 1 Civil-military relations -- 1 more ... Conservatism -- 1 Influence 1 Intervention (International Law) 1 Islam 1 Militarism -- 1 Military-industrial complex -- 1 National characteristics, American 1 Official secrets -- 1 Political aspects 1 Political messianism -- 1 Politics and government -- 1 Psychological aspects. -- 1 Radicalism -- 1 September 11 Terrorist Attacks, 2001 -- 1 War on Terrorism, 2001-2009 1 War on terrorism, 2001- 1 less ...