Foreign relations -- 5 Imperialism War on terrorism, 2001- 4 Military policy 3 Balance of power 1 Capitalism -- 1 Christianity and other religions -- 1 more ... Conservatism -- 1 Globalization 1 Influence 1 International relations 1 Intervention (International Law) 1 Iraq War, 2003 1 Islam 1 National characteristics, American 1 Political aspects 1 Political messianism -- 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 ...