History 46 Politics and government 12 History and criticism 8 Social conditions 7 Social aspects 6 Diplomatic relations 4 Foreign relations 4 more ... African Americans 3 Civil rights 3 Civil rights movements 3 Economic conditions 3 Enslaved persons 3 Influence 3 Motion pictures 3 Political aspects 3 Race relations 3 Reconstruction (U.S. history, 1865-1877) 3 Social life and customs 3 World War, 1939-1945 3 American literature 2 Campaigns 2 Composers 2 Criticism and interpretation 2 Economic history 2 Employment 2 Finance 2 Influence (Literary, artistic, etc.) 2 Military campaigns 2 Motion picture industry 2 Painters 2 less ...