History Social conditions Politics and government 620 Economic conditions 492 Women 469 Social aspects 424 Race relations 347 more ... African Americans 319 Social life and customs 250 Ethnic relations 162 Slavery 137 Social change 133 Jews 119 Civilization 118 Enslaved persons 112 Social classes 109 Sex role 107 Political aspects 100 Feminism 95 Civil rights 89 Political activity 89 Intellectual life 86 Racism 83 Working class 82 Influence 79 History and criticism 77 Political culture 74 Emigration and immigration 71 World War, 1939-1945 69 Popular culture 62 less ...