Security, International Defenses 3 Armed forces -- 1 Arms control -- 1 Conflict management -- 1 Economic integration 1 European Union 1 more ... Foreign relations 1 Foreign relations -- 1 International cooperation 1 Military relations 1 Military relations -- 1 National security -- 1 North Atlantic Treaty Organization 1 Politics and government -- 1 Reorganization 1 World politics -- 1 less ...