Economic conditions -- Economic forecasting -- 2 Economics 2 Foreign economic relations -- 2 Politics and government -- 2 Appropriations and expenditures 1 Armed Forces -- 1 more ... Armed forces -- 1 Congresses -- 1 Debts, External -- 1 Dependency on the United States 1 Economic policy 1 Economic policy -- 1 Foreign relations -- 1 Japan 1 Pluralism -- 1 Political corruption -- 1 Political culture -- 1 Population 1 Population forecasting -- 1 Puerto Ricans -- 1 Race relations 1 Relations -- 1 Social cinditions -- 1 Social conditions -- 1 Social indicators -- 1 Social prediction -- 1 less ...