"Civil Power in the United States: A Study in Its Origins" is an important book written by the eminent American historian John Fisk. In this work, the author considers the system of civil government in the United States from the point of view of its historical formation, identifying the key aspects and principles on which the modern political system of the country is based. Fisk examines the development of civil government in the United States, revealing its historical context and influence on the formation of legislation, constitutional principles, and political institutions. It analyzes the role of the national government, state governments and municipal authorities in the system of separation of powers and the provision of human rights. Civil Government in the United States is an important source for understanding the US political system, its history, and the basic principles underlying democratic government. Thanks to Fisk's in-depth analysis, readers will be able to better understand the essence of civil government and its role in the modern world.