September 11 Terrorist Attacks, 2001 -- Foreign relations -- 2 Influence 2 Causes 1 Christianity and other religions -- 1 Cold War 1 Drug traffic -- 1 more ... History -- 1 Imperialism 1 Islam 1 Islam and politics -- 1 Military policy 1 National characteristics, American 1 Philosophy 1 Political aspects -- 1 Political messianism -- 1 Political science -- 1 Politics and government -- 1 Psychological aspects. -- 1 Radicalism -- 1 Terrorism -- 1 War on Terrorism, 2001-2009 1 World politics -- 1 less ...