Congresses Congresses -- 156 Economic conditions -- 64 Politics and government -- 60 Economic policy -- 57 Foreign relations -- 35 Foreign economic relations -- 27 more ... National security -- 23 Congresses. -- 19 Economic integration -- 19 History -- 18 World politics -- 18 Social conditions -- 17 International economic relations -- 16 Economic aspects -- 14 Globalization -- 12 Regionalism -- 12 Arms control -- 11 Commercial policy -- 11 International cooperation -- 11 International trade -- 11 Peace -- 11 Strategic aspects -- 11 Disarmament -- 10 International relations -- 10 Defenses -- 9 Developing countries -- 9 Economic development -- 9 Ethnic relations -- 9 Free trade -- 9 less ...