Foreign relations -- 4 Imperialism Military policy Intervention (International Law) 2 War on terrorism, 2001- 2 Balance of power 1 Capitalism -- 1 more ... Christianity and other religions -- 1 Civil-military relations -- 1 Conservatism -- 1 Influence 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 State-sponsored terrorism 1 Unilateral acts (International law) 1 War on Terrorism, 2001-2009 1 less ...