Politics and government -- 13 Economic conditions -- 9 Social history -- 7 World politics -- 7 Economic policy -- 6 Civilization -- 5 History -- 4 more ... Social conditions -- 4 Ecology 3 Economic history -- 3 Foreign relations -- 3 International economic relations 3 Economic policy 2 Petroleum industry and trade -- 2 Politics and government 2 Alien labor, Mexican -- 1 Civilization, Modern -- 1 Democracy -- 1 Diplomacy 1 Dysfunctional families -- 1 Economic forecasting -- 1 Economic sanctions, American 1 Economic stabilization -- 1 Employment -- 1 Forecasting -- 1 Forecasts 1 Foreign economic relations -- 1 Government policy -- 1 International relations 1 Islam and politics -- 1 less ...