Politics and government 7 Economic conditions 5 Defenses 3 History 3 Civilization 2 Race relations 2 Acculturation -- 1 more ... Chinese -- 1 Economic forecasting -- 1 Economic integration 1 Economic policy 1 Foreign economic relations -- 1 Foreign relations 1 Foreign relations -- 1 History -- 1 Immigrants -- 1 Minorities -- 1 Politics and government -- 1 less ...