Economic conditions 56 Foreign relations -- 46 Politics and government 36 Foreign relations 35 Politics and government -- 28 Economic policy 23 Foreign economic relations -- 23 more ... National security -- 23 Regionalism -- 20 Congresses 19 Economic integration 19 History 15 Social conditions 11 Economic conditions -- 10 Congresses -- 9 History -- 9 Relations -- 9 Civilization 7 Commerce 7 Economic condition 7 Foreign Economic Relations 7 Free trade -- 7 Periodicals 7 Terrorism -- 7 Commercial policy -- 5 Defences 5 International relations 5 Tariff -- 5 Commercial policy 4 Democratization -- 4 less ...