Foreign relations -- Politics and government -- 14 Foreign economic relations -- 11 National security -- 10 Security, International 7 Congresses -- 6 Foreign relations 5 more ... History -- 5 International relations 5 World politics -- 5 Congresses 4 Economic integration 4 Relations -- 4 North Atlantic Treaty Organization 3 Regionalism -- 3 Defenses -- 2 Economic conditions -- 2 European cooperation 2 European economic community -- 2 Foreign economic relations 2 Islam 2 Islam -- 2 Military assistance, American -- 2 Policy networks -- 2 Strategic aspects 2 21st century 1 Alliance 1 Allied occupation -- 1 Armed Forces 1 Arms control -- 1 less ...