Authority 1 Cross-cultural studies 1 Economic aspects -- 1 Emigration and immigration 1 Ethnocentrism -- 1 Foreign relations -- 1 Foreign relations -- 1 more ... Immigrants -- 1 International division of labor -- 1 Legitimacy of governments -- 1 Middle powers 1 Nationalism -- 1 Peace-building -- 1 Pluralism (Social sciences) -- 1 Political aspects -- 1 Political participation -- 1 Politics and government 1 Power (Social sciences) 1 Relations -- 1 Social change -- 1 Social conditions 1 Social life and customs 1 Urbanization -- 1 less ...