Foreign relations -- Politics and government -- 13 National security -- 8 Foreign economic relations -- 7 History -- 7 World politics -- 5 Relations -- 4 more ... Congresses -- 3 Economic integration 3 Foreign relations 3 North Atlantic Treaty Organization 3 Security, International 3 Congresses 2 Defenses -- 2 Economic conditions -- 2 International relations 2 Islam 2 Islam -- 2 Policy networks -- 2 Regionalism -- 2 21st century 1 Arab-Israeli conflict 1 Armed Forces 1 Arms control -- 1 Balance of power 1 Causes 1 Christianity 1 Christianity and other religions -- 1 Civilization -- 1 Cold War 1 less ...