History History -- Politics and government -- 6 Economic conditions -- 4 Foreign relations -- 4 Commerce -- 3 Armed Forces -- 2 more ... Armed forces -- 2 Civil rights -- 2 Economic conditions 2 Emigration and immigration -- 2 Executive power -- 2 History. -- 2 International relations -- 2 Leadership -- 2 Minorities -- 2 Nationalism -- 2 Political activity -- 2 Political parties -- 2 Race relations 2 Social conditions 2 Sources 2 1st-10th -- 1 African Americans -- 1 Afro American soldiers -- 1 Afro-Americans -- 1 Air forces -- 1 Air power -- 1 Alien labor, Jamaican -- 1 Amendments -- 1 less ...