Peace -- Foreign relations -- 9 Congresses 8 Research 7 War -- 5 Disarmament -- 4 Study and teaching 4 more ... Economic aspects 3 Arab-Israeli conflict -- 2 Conflict management 2 Foreign relations 2 History -- 2 International relations -- 2 Peace-building -- 2 Politics and government -- 2 Psychological aspects 2 Research -- 2 Security, International 2 Social conflict -- 2 Aparthied -- 1 Arab-Israeli conflict 1 Arbitration, International -- 1 Capitalism 1 Chimurenga War -- 1 Conflict (Psychology) -- 1 Conflict management -- 1 Congress 1 Congresses -- 1 Diplomatic history -- 1 Diplomatic negotiations in international disputes 1 less ...