History African Americans 1,185 Politics and government 1,092 Race relations 793 Social conditions 626 Indians of North America 489 Civil rights 439 more ... Foreign relations 397 International relations 396 Slavery 342 Social aspects 340 Political aspects 280 Social life and customs 274 Civil rights movements 256 Presidents 224 Civilization 210 Government relations 201 Intellectual life 197 Ethnic relations 191 Enslaved persons 185 Racism 184 Manners and customs 182 Influence 172 Historiography 167 Antislavery movements 160 Causes 159 Political culture 154 Public opinion 146 Popular culture 141 Economic conditions 132 less ...