Foreign relations -- 39 Politics and government -- 35 Economic integration 25 History -- 19 Relations -- 17 Foreign economic relations -- 16 National security -- 15 more ... Defenses 14 Military policy 11 Economic conditions -- 10 History 10 Security, International 9 Foreign relations 8 World politics -- 7 Congresses 6 Armed Forces 5 Congresses -- 5 Economic conditions 5 Arms control -- 4 Economic integration -- 4 Economic policy 4 Islam -- 4 Regionalism -- 4 Social policy 4 Defenses -- 3 Ethnic relations 3 European economic community -- 3 Foreign economic relations 3 Globalization 3 Law -- 3 less ...