Defenses 28 Arms control -- 6 Defenses -- 6 Politics and government -- 6 Armed Forces 5 Congresses 4 Congresses -- 3 more ... Foreign relations -- 3 Military policy 3 National security -- 3 Security, International 3 Armed forces 2 History 2 History -- 2 Military relations -- 2 Appropriations and expenditures 1 Armed Forces -- 1 Arms control 1 Conflict management -- 1 Congress -- 1 Congresses. -- 1 Deterrence (Strategy) 1 Economic aspects 1 Economic conditions - 1989- 1 Europe 1 European cooperation 1 International relations 1 Military art and science 1 Military operations -- 1 Military policy -- 1 less ...