Peace 123 Peace -- 85 Foreign relations -- 37 Politics and government -- 34 Security, International 34 Conflict management 32 Peace-building -- 30 more ... International relations 27 Peace-building 23 Arab-Israeli conflict -- 21 Congresses 15 Politics and government 15 History -- 13 World politics -- 13 Pacific settlement of international disputes 12 War 11 Conflict management -- 10 Foreign relations 10 National security -- 10 Peace movements -- 10 Ethnic relations 9 Peaceful change (International relations) 9 Case studies 8 History 8 War -- 8 Diplomatic negotiations in international disputes 7 Research 7 Congresses -- 6 Disarmament 6 International relations -- 6 less ...