History 72 Politics and government 35 African Americans 23 Race relations 17 Foreign relations 14 Presidents 14 Social aspects 11 Social conditions 11 Civil rights 8 Influence 8 Slavery 8 Civilization 7 Ethnic relations 6 Indians of North America 6 Intellectual life 6 Political aspects 6 Reconstruction (U.S. history, 1865-1877) 6 Military leadership 5 Political activity 5 Race identity 5 Slaves 5 Campaigns 4 Family 4 Historiography 4 National characteristics, American 4 Political culture 4 Soldiers 4 Whites 4 Ambassadors 3 Cabinet officers 3