History 4,525 Politics and government 2,387 Foreign relations 1,676 International relations 1,673 African Americans 1,408 Race relations 1,311 Social conditions 1,065 more ... Presidents 679 Civilization 624 Civil rights 477 Social aspects 442 Political aspects 420 Ethnic relations 402 Racism 367 Intellectual life 358 Slavery 327 Social life and customs 320 Relations 301 Indians of North America 286 Manners and customs 275 Jews 264 Public opinion 262 Economic conditions 252 Influence 251 Popular culture 241 Race identity 239 Biography 236 National characteristics, American 235 Historiography 229 Civil rights movements 227 less ...