History History -- 19 Foreign relations -- 16 Biography -- 5 Political aspects -- 4 World War, 1939-1945 -- 4 Aerial operations, American 3 more ... Presidents -- 3 Race relations 3 Civil rights -- 2 Economic conditions 2 Emigration and immigration -- 2 Executive power -- 2 Feminism -- 2 Immigrants -- 2 National security -- 2 Politics and government -- 2 Press and politics -- 2 Relations -- 2 Social conditions 2 1st-10th -- 1 African American women -- 1 African Americans -- 1 Afro American soldiers -- 1 Afro-Americans -- 1 Air power -- 1 Airmen -- 1 Alliances -- 1 Amendments -- 1 Arab-Israeli conflict 1 less ...