Social conditions History 1,272 Politics and government 638 Economic conditions 570 Race relations 406 Conditions sociales 390 African Americans 335 more ... Social life and customs 249 Ethnic relations 235 Social aspects 196 Histoire 162 Civilization 123 Immigrants 122 Economic history 117 Ethnic identity 111 Conditions économiques 107 Politique et gouvernement 106 Emigration and immigration 104 Description and travel 96 Mexican Americans 90 Black people 76 Minorities 69 Indians of South America 67 Foreign relations 65 Frontier and pioneer life 63 Community life 62 Slavery 61 Civil rights 57 Social classes 56 City and town life 55 less ...