The collection of articles examines the problems of the development of multilateral diplomacy during the Cold War: the functioning of the United Nations mechanism, including in conditions of crises and conflicts, the interaction of states within the framework of military-political blocs (SEATO, CENTO and OVD), international economic and political organizations, the participation of socio-political organizations and movements in the struggle for disarmament and the prohibition of nuclear weapons. The book is intended for international relations specialists, graduate students, students and anyone interested in the history of international relations.