Politics and government -- 84 Foreign relations -- 77 Economic integration 49 History -- 36 Foreign economic relations -- 26 Relations -- 26 Defenses 25 more ... National security -- 23 Politics and government 21 World politics -- 21 Military policy 19 History 17 Congresses 16 Economic conditions -- 16 Foreign relations 15 Security, International 15 Congresses -- 13 Economic conditions 10 Islam -- 10 Periodicals 9 Commerce -- 7 International agencies -- 7 Regionalism -- 7 Arms control -- 6 Economic integration -- 6 Emigration and immigration -- 6 International relations 6 Military relations -- 6 Muslims -- 6 Periodicals -- 6 less ...