Politics and government -- 63 Foreign relations -- 59 Economic integration 53 Foreign economic relations -- 25 Relations -- 22 Defenses 20 National security -- 20 more ... Congresses 19 History -- 16 Military policy 16 Congresses -- 15 Economic policy 14 Economic conditions 13 Economic conditions -- 12 Foreign relations 12 Politics and government 12 Economic integration -- 11 Security, International 11 History 9 Islam -- 9 World politics -- 8 Arms control -- 7 Regionalism -- 7 Commerce -- 6 Economic policy -- 6 Emigration and immigration -- 6 European cooperation 6 Armed Forces 5 Ethnic relations 5 Foreign economic relations 5 less ...