Politics and government -- Foreign relations -- 29 Presidents -- 22 Biography -- 20 History -- 15 Relations -- 9 Terrorism -- 7 more ... Economic conditions -- 6 Legislators -- 6 Biography 5 Political aspects -- 5 Social conditions -- 5 Political corruption -- 4 Political culture -- 4 September 11 Terrorist Attacks, 2001 4 World politics -- 4 Biography. -- 3 Economic conditions 3 Economic policy -- 3 Executive power -- 3 Influence 3 Iraq War, 2003-2011 3 Philosophy 3 Press coverage -- 3 Vietnamese Conflict -- 3 War on Terrorism, 2001-2009 3 African American legislators 2 Afro-Americans -- 2 Civil rights 2 Civilization -- 2 less ...