Americans -- 1 Christianity and other religions -- 1 Foreign relations -- 1 Imperialism 1 Influence 1 Islam 1 Jihad 1 more ... Military policy 1 Muslim converts from Christianity 1 National characteristics, American 1 Political messianism -- 1 Psychological aspects. -- 1 Radicalism -- 1 September 11 Terrorist Attacks, 2001 -- 1 Terrorists 1 War on Terrorism, 2001-2009 1 less ...