Peace -- 11 Peace 10 Foreign relations -- 5 Foreign relations 3 International relations 3 National security -- 3 Peace movements -- 3 more ... Conflict management 2 Congresses 2 Diplomacy 2 Economic aspects 2 History -- 2 Negotiation 2 Pacific settlement of international disputes 2 Politics and government -- 2 Security, International 2 Study and teaching 2 Yearbooks -- 2 Aparthied -- 1 Appropriations and expenditures 1 Armed forces -- 1 Arms control -- 1 Case studies 1 Case studies -- 1 Chimurenga War -- 1 Communication and culture 1 Congresses -- 1 Corrymeela community -- 1 Defense industries 1 Diplomatic history -- 1 less ...