Politics and government -- 18 Foreign relations -- 9 War on Terrorism, 2001-2009 7 Terrorism -- 5 Government policy -- 3 Iraq War, 2003-2011 3 World politics -- 3 more ... Civil rights -- 2 Economic policy -- 2 History -- 2 Imperialism 2 Influence 2 Legislators -- 2 Military policy 2 National characteristics, American 2 Philosophy 2 September 11 Terrorist Attacks, 2001 -- 2 African American legislators 1 Christianity and other religions -- 1 Civil defense 1 Civil defense -- 1 Civil-military relations -- 1 Civilization, Modern -- 1 Combatants and noncombatants (International Law) 1 Defenses 1 Detention of persons -- 1 Election -- 1 Election -- 1 Elections -- 1 Environmental policy -- 1 less ...