Social conditions History 1,372 Politics and government 654 Economic conditions 596 Race relations 421 African Americans 345 Social life and customs 262 more ... Ethnic relations 239 Social aspects 218 Civilization 160 Immigrants 123 Ethnic identity 121 Emigration and immigration 103 Description and travel 102 Mexican Americans 100 Blacks 96 Indians of South America 77 Slavery 71 Minorities 66 Frontier and pioneer life 63 City and town life 62 Foreign relations 61 Civil rights 59 Community life 59 Government relations 59 Racism 57 Social change 56 Social classes 56 Cultural assimilation 53 Indians of Mexico 53 less ...