Vadim Zakharovich Rogovin (1937-1998) - Soviet sociologist, philosopher, historian of the revolutionary movement, author of a seven-volume history of the internal party struggle in the CPSU (b) and the Comintern in 1922-1940. In this study, for the first time in domestic and world science, the most extensive factual material from the most dramatic period of our history (from 1922 to 1941) was comprehended and linked into a single historical concept of development (completely different from the one that was imposed on us in Soviet times, and the one that is being imposed now). .).The final volume provides a broad panorama of the socio-economic situation in the country on the eve of the war. Documents are provided confirming the growing dissatisfaction of the population with the Stalinist regime. The events related to the development of Soviet-German relations, with the annexations committed by Stalin, and their influence on the global development process and on the consciousness of millions of people around the world are analyzed. Theoretical questions concerning the essence and nature of the Soviet state are touched upon. The treacherous policy of Stalin towards the communist parties of other countries is shown. An analysis of the possibilities and nature of the Second World War made by Trotsky is given. The final part of the book is devoted to the study of Trotsky’s assassination. Based on new materials, it tells about the colossal efforts that were made by Stalin to destroy his main ideological opponent and suppress Trotsky’s influence on the international communist movement.