| − | ''The Spirit of the Laws'' (1748), his most important work, was greatly influenced by [[John Locke]]. Montesquieu undertakes a comparative study of three types of government--republic, monarchy, and despotism. The book is marked by depth, clarity, and brilliant, unadorned style. Abandoning any absolute statement of human nature, it asserted instead that multiple solutions existed to the problems of government and freedom, and that these solutions depended on the differing guiding principles of societies. Its thesis that the powers of government ought to be separated in order to ensure individual freedom had a strong influence on the writers of the Constitution of the United States | + | ''The Spirit of the Laws'' (1748), his most important work, was greatly influenced by [[John Locke]]. Montesquieu undertakes a comparative study of three types of government—republic, monarchy, and despotism. The book is marked by depth, clarity, and brilliant, unadorned style. Abandoning any absolute statement of human nature, it asserted instead that multiple solutions existed to the problems of government and freedom, and that these solutions depended on the differing guiding principles of societies. Its thesis that the powers of government ought to be separated in order to ensure individual freedom had a strong influence on the writers of the Constitution of the United States |