Abstract
The article is devoted to the problem of world-class international organizations, in this case the League of Nations, fulfilling the tasks for which they were created. The author examines the strategy of the League of Nations in connection with the implementation of its main function - the prevention of wars and the preservation of the Versailles system of international relations and the position of the Soviet leadership in this regard. The main attention is paid to the evolution of the course of the League of Nations under the influence of the leading states during the periods of the growth of the aggressive aspirations of Germany, Italy and Japan, the aggravation of international relations and local wars - the Italo-Ethiopian War, the Spanish Civil War, Japanese aggression in the Far East and China, German aggression in Europe and the attempts of the USSR to keep the organization from the course of encouragement of the aggressor. The author analyzes the participation of the Soviet state in the activities of the League of Nations in the field of disarmament and arms reduction, examines the reasons for the disruption of this most important part of the organization's work to preserve peace.