Social conditions History 11,021 Economic conditions 5,375 Politics and government 4,665 Women 4,040 Social aspects 3,079 Race relations 2,104 更多 ... Social life and customs 1,902 African Americans 1,867 Ethnic relations 1,301 Social change 978 Emigration and immigration 871 Civilization 849 Immigrants 792 Sex role 731 Condiciones sociales 723 Political aspects 695 Feminism 687 Slavery 684 Political activity 638 Jews 588 Ethnic identity 579 Racism 536 Social classes 536 Education 528 Condiciones economicas 514 Government policy 513 Intellectual life 509 Civil rights 506 Employment 489 少 ...