Military policy Christianity and other religions -- 1 Foreign relations -- 1 Imperialism 1 Influence 1 International law 1 Iraq-Kuwait Crisis, 1990-1991 1 more ... Islam 1 National characteristics, American 1 Persian Gulf War, 1991 1 Political messianism -- 1 Psychological aspects. -- 1 Radicalism -- 1 September 11 Terrorist Attacks, 2001 -- 1 War on Terrorism, 2001-2009 1 less ...