Politics and government -- Foreign relations -- 37 History -- 12 Presidents -- 8 Terrorism -- 8 Biography -- 6 Executive power -- 6 more ... Political participation -- 5 War on Terrorism, 2001-2009 5 Economic conditions -- 4 Election -- 4 Political aspects -- 4 Political corruption -- 4 Presidential candidates -- 4 21st century. -- 3 Arab-Israeli conflict -- 3 Case studies 3 Civil rights -- 3 Democracy -- 3 Foreign economic relations -- 3 Government policy -- 3 Intelligence service -- 3 National security -- 3 Political culture -- 3 Power (Social sciences) 3 Prevention. -- 3 Relations -- 3 2009 2 Afro-Americans -- 2 Armed Forces -- 2 less ...