Congresses 15 Research -- 14 Foreign relations -- 10 Research 8 Congresses -- 7 Economic conditions 6 History -- 6 more ... Politics and government 5 Case studies -- 4 Economic development -- 4 Economic policy 4 Economic policy -- 4 Government policy -- 4 International relations 4 International relations -- 4 Methodology 4 Military relations -- 4 Politics and government -- 4 World politics -- 4 Capital market -- 3 Civil -- 3 Commerce 3 Conflict management 3 Economic conditions -- 3 Elections -- 3 Foreign economic relations 3 International finance -- 3 National security -- 3 Nuclear arms control -- 3 Pacific area -- 3 less ...