Foreign relations -- 3 Armed Forces -- 1 Causes 1 Conservation -- 1 Democracy -- 1 Government policy -- 1 Insurgency -- 1 more ... Iraq War, 2003- -- 1 Iraq War, 2003-2011 1 Mercenary troops -- 1 Military policy 1 Persian Gulf War, 1991 -- 1 Politics and government -- 1 Protest movements -- 1 Terrorism -- 1 War on Terrorism, 2001-2009 1 Weapons of mass destruction -- 1 Weapons systems 1 less ...