Security, International Defenses 3 Foreign relations -- 3 Economic integration 2 Politics and government -- 2 Armed forces -- 1 Arms control -- 1 more ... Conflict management -- 1 European Union 1 European cooperation 1 Foreign relations 1 International cooperation 1 Military relations 1 Military relations -- 1 National security -- 1 Neutrality -- 1 North Atlantic Treaty Organization 1 Reorganization 1 Sources -- 1 World politics -- 1 less ...