Acculturation 409 History 162 Social conditions 60 Ethnic relations 51 Civilization 50 Immigrants 38 Social aspects 37 更多 ... Emigration and immigration 34 Ethnicity 27 Relations 25 Social change 25 Indians of North America 24 Social life and customs 24 Assimilation (Sociology) 21 Cultural assimilation 20 Culture conflict 20 Race relations 20 Ethnology 19 Minorities 19 Antiquities 17 Intercultural communication 17 Cultural pluralism 16 Historiography 16 Imperialism 14 Colonization 13 Frontier and pioneer life 12 Colonies 11 Indigenous peoples 11 Discovery and exploration 10 Group identity 10 少 ...