Politics and government -- 3 Commerce -- 2 Foreign relations -- 2 Legislation -- 2 Politics and government 2 Civilization 1 Defenses -- 1 more ... Economic aspects -- 1 Economic conditions 1 Education -- 1 Emigration and immigration -- 1 Federal government -- 1 Foreign economic relations 1 Foreign economic relations -- 1 Government policy 1 History 1 Industrial policy -- 1 Industries 1 Industries -- 1 Law and legislation 1 Local government -- 1 Military relations -- 1 Munitions -- 1 Parliament -- 1 Public welfare -- 1 Relations -- 1 Security, International 1 State government -- 1 World War,1939-1945 -- 1 less ...