Social conditions -- Economic conditions -- 7 Politics and government -- 5 Social aspects -- 3 Civilization -- 2 Ethnic relations 2 Foreign relations -- 2 more ... Race relations 2 Relations -- 2 Social indicators -- 2 Social prediction -- 2 21st century 1 Case studies 1 Case studies -- 1 Cold War -- 1 Conspiracies -- 1 Cultural assimilation -- 1 Economic policy -- 1 Emigration and immigration 1 Emigration and immigration -- 1 Equality -- 1 Ethnic relations -- 1 Forecasting 1 Forecasts 1 Friendship 1 Government policy -- 1 History -- 1 Immigrants -- 1 Income distribution -- 1 Jews -- 1 less ...