Foreign relations -- 20 Economic integration 18 Politics and government -- 17 Defenses 11 National security -- 11 Foreign economic relations -- 10 Military policy 10 more ... Relations -- 9 History -- 8 Foreign relations 7 Security, International 7 History 5 Regionalism -- 5 Armed Forces 4 Economic conditions 4 World politics -- 4 Arms control -- 3 Congresses 3 Economic conditions -- 3 Globalization 3 Islam -- 3 Muslims -- 3 Politics and government 3 Social policy 3 Congresses -- 2 Defenses -- 2 Economic policy 2 Emigration and immigration -- 2 Ethnic relations 2 European economic community -- 2 less ...