The monograph highlights the attempts of international imperialist circles to seize the Don and the North Caucasus in order to use the economic, natural and human resources of this important region of Russia in the fight against the world's first socialist revolution. Extensive factual material shows the heroic struggle of the peoples of our country under the leadership of the Communist Party against the combined forces of imperialism and internal counter-revolution, for Soviet power. The results of the scientific development of the problem are summed up, bourgeois falsifications of history are exposed.