Influence September 11 Terrorist Attacks, 2001 -- 4 Foreign relations -- 3 Military policy 2 National characteristics, American 2 Politics and government -- 2 Relations -- 2 more ... Anti-Americanism 1 Bush, George, 1924- 1 Causes 1 Christianity and other religions -- 1 Foreign public opinion 1 Globalization -- 1 Imperialism 1 Intervention (International Law) 1 Islam 1 Islamic fundamentalism -- 1 Persian Gulf War -- 1 Persian Gulf War, 1991 1 Philosophy 1 Political aspects 1 Political messianism -- 1 Political science -- 1 Psychological aspects. -- 1 Radicalism -- 1 September 11 Terrorist Attack, 2001 -- 1 Vietnamese Conflict, 1961-1975 -- 1 War on Terrorism, 2001-2009 1 War on terrorism, 2001- 1 World politics -- 1 less ...