History Social aspects Social conditions 136 Race relations 65 Social life and customs 55 Politics and government 36 African Americans 34 more ... Economic conditions 32 Memory 27 Frontier and pioneer life 24 Political aspects 23 Histoire 22 Civilization 21 Ethnic relations 21 History, Military 21 Influence 21 Aspect social 20 Slavery 17 Intellectual life 15 Landscapes 15 Group identity 13 Material culture 13 Women 13 Economic aspects 12 Mexican Americans 12 National characteristics, American 12 Nationalism 12 White people 12 Historiography 11 Reconstruction (U.S. history, 1865-1877) 11 less ...