Ethnic relations 6,556 History 4,803 Ethnic identity 2,314 Ethnicity 2,096 Jews 2,090 Social conditions 1,835 Politics and government 1,605 更多 ... Race relations 945 Social aspects 771 Emigration and immigration 700 Minorities 695 Political aspects 687 Nationalism 664 Social life and customs 649 Immigrants 597 Documentary films 549 Ethnic conflict 538 Holocaust, Jewish (1939-1945) 535 Cultural assimilation 446 History and criticism 428 Persecutions 351 Indians of North America 350 Ethnic groups 349 Antisemitism 322 Group identity 322 Muslims 318 Cultural pluralism 315 Enthnology 305 Relations 304 Intellectual life 302 少 ...