The book "The Conquest of the Continent; or, The Expansion of Races in America" by the famous historian and sociologist Madison Grant tells about the great importance of the expansion of European races in America for the formation of the modern world. The author explores the process of colonization and conquest of the American continent, noting the key events and figures that shaped the new culture and civilization. The book examines important aspects of the clash of different cultures and races in the New World, as well as the consequences of this process for both indigenous peoples and European colonizers. The author analyzes various aspects of the expansion, from economic and political to sociocultural and psychological, revealing the complex interrelationships between different races and cultures. "The Conquest of the Continent; or, The Expansion of Races in America" is an important source for understanding the formation of the modern geopolitical picture of the world and the role of the expansion of European civilizations in this process. The author draws attention to interesting and topical issues that remain relevant even in the modern world, where inter-ethnic relations and imperial politics continue to influence global processes.