History 144 Politics and government 32 History and criticism 24 Social conditions 24 Social aspects 15 Political aspects 13 African Americans 12 更多 ... Race relations 11 Social life and customs 10 Civil rights 8 Motion pictures 8 Influence 7 Manners and customs 7 World War, 1939-1945 7 Civil rights movements 6 Criticism and interpretation 6 Diplomatic relations 6 Ethnic relations 6 Foreign relations 6 Influence (Literary, artistic, etc.) 6 Literature 6 Women 6 Antiquities 5 Civilization 5 Economic conditions 5 Enslaved persons 5 Ethnic identity 5 Nationalism 5 Cultural assimilation 4 Economic history 4 少 ...