Politics and government -- 25 Foreign relations -- 21 Economic integration 18 Defenses 11 Foreign economic relations -- 11 History -- 11 National security -- 11 more ... Military policy 10 Relations -- 10 World politics -- 10 Foreign relations 7 Security, International 7 History 6 International agencies -- 6 Periodicals 6 Periodicals -- 6 Economic conditions -- 5 Armed Forces 4 Regionalism -- 4 Arms control -- 3 Congresses 3 Economic conditions 3 Globalization 3 Social policy 3 Colonies -- 2 Congresses -- 2 Defenses -- 2 Economic policy 2 European economic community -- 2 Foreign economic relations 2 less ...