Foreign relations -- 10 War on Terrorism, 2001-2009 7 Terrorism -- 5 Government policy -- 4 Politics and government -- 4 Armed Forces -- 3 Iran Hostage Crisis, 1979-1981 2 more ... National security -- 2 Relations -- 2 September 11 Terrorist Attacks, 2001 2 Afghan War, 2001- -- 1 Causes 1 Christianity and other religions -- 1 Civil defense -- 1 Civil rights -- 1 Defenses 1 Foreign public opinion 1 Globalization 1 History, Military -- 1 Hostages -- 1 Human rights 1 Imperialism 1 Influence 1 Intelligence service -- 1 Iraq War, 2003-2011 1 Iraq War, 2003-2011 -- 1 Islam 1 Islam and politics -- 1 Military planning -- 1 Military policy 1 less ...