History 1,997 Politics and government 746 Social conditions 499 Indians of North America 474 African Americans 467 Race relations 453 Foreign relations 374 more ... Presidents 232 Social aspects 230 Political aspects 227 Antiquities 222 Social life and customs 181 Civil rights 173 Ethnic relations 144 Ethnic identity 139 Government relations 137 Campaigns 129 Racism 127 Slavery 124 Intellectual life 120 Influence 115 Race identity 113 Civilization 112 Historiography 105 Political and social views 100 Economic conditions 96 Civil rights movements 90 Political culture 90 Public opinion 87 Slaves 86 less ...