National security -- 53 Congresses -- 15 Foreign relations -- 14 Congresses 10 Politics and government 8 Politics and government -- 8 Security, International -- 7 more ... Military policy 6 Economic conditions -- 5 Strategic aspects 5 Economic conditions 4 Foreign relations 4 International cooperation 4 Defenses 3 Dictionaries -- 3 Economic policy 3 Foreign economic relations 3 Pacific Area cooperation 3 Security, International 3 Arms control -- 2 Balance of power 2 Dictionaries 2 Economic integration 2 Geopolitics -- 2 International relations 2 Military policy -- 2 National security 2 Pacific Area -- 2 Pacific area 2 Prevention -- 2 less ...