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Charles-Louis de Secondat, baron de La Brède et de Montesquieu (18 January 1689, La Brède, Gironde – 10 February 1755), was a French social commentator and political thinker who lived during the Era of the Enlightenment. He is famous for his articulation of the theory of separation of powers, taken for granted in modern discussions of government and implemented in many constitutions throughout the world. He was largely responsible for the popularization of the terms feudalism and Byzantine Empire.

Biography

He was born at the Chateau de la Brede in the southwest of France. After having studied at the Catholic College of Juilly, Charles-Louis de Secondat married. His wife, Jeanne de Lartigue, a Protestant, brought him a substantial dowry when he was 26. The next year, he inherited a fortune upon the death of his uncle, as well as the title Baron de Montesquieu and Président à Mortier in the Parliament of Bordeaux. By that time, England had declared itself a constitutional monarchy in the wake of its Glorious Revolution (1688–89), and had joined with Scotland in the Union of 1707 to form the Kingdom of Great Britain. In 1715 the long-reigning Louis XIV died and was succeeded by the five-year-old Louis XV. These national transformations impacted Montesquieu greatly; he would later refer to them repeatedly in his work.

Soon afterwards he achieved literary success with the publication of his Lettres persanes (Persian Letters, 1721), a satire based on the imaginary correspondence of a Persian visitor to Paris, pointing out the absurdities of contemporary society. He next published Considérations sur les causes de la grandeur des Romains et de leur décadence (Considerations on the Causes of the Grandeur and Decadence of the Romans, 1734), considered by some scholars a transition from The Persian Letters to his master work. De l'Esprit des Lois (The Spirit of the Laws) was originally published anonymously in 1748 and quickly rose to a position of enormous influence. In France, it met with an unfriendly reception from both supporters and opponents of the regime. The Roman Catholic Church banned l'Esprit – along with many of Montesquieu's other works – in 1751 and included it on the Index of Prohibited Books. It received the highest praise from the rest of Europe, especially Britain.

Montesquieu was also highly regarded in the British colonies in America as a champion of British liberty (though not of American independence). Political scientist Donald Lutz found that Montesquieu was the most frequently quoted authority on government and politics in colonial pre-revolutionary British America. Following the American secession, Montesquieu's work remained a powerful influence on many of the American founders, most notably James Madison of Virginia, the "Father of the Constitution". Montesquieu's philosophy that "government should be set up so that no man need be afraid of another" reminded Madison and others that a free and stable foundation for their new national government required a clearly defined and balanced separation of powers.

Besides composing additional works on society and politics, Montesquieu traveled for a number of years through Europe including Austria and Hungary, spending a year in Italy and 18 months in England before resettling in France. He was troubled by poor eyesight, and was completely blind by the time he died from a high fever in 1755. He was buried in the Église Saint-Sulpice, Paris.

Political views

Montesquieu is credited amongst the precursors of anthropology, including Herodotus and Tacitus, to be among the first to extend comparative methods of classification to the political forms in human societies. Indeed, the French political anthropologist Georges Balandier considered Montesquieu to be "the initiator of a scientific enterprise that for a time performed the role of cultural and social anthropology". According to social anthropologist D.F. Pocock, Montesquieu's 'Spirit of the Laws' "is the first consistent attempt to survey the varieties of human society, to classify and compare them and, within society, to study the inter-functioning of institutions". Montesquieu's political anthropology gave rise to his theories on government.

Montesquieu's most influential work divided French society into three classes (or trias politica, a term he coined): the monarchy, the aristocracy, and the commons. Montesquieu saw two types of governmental power existing: the sovereign and the administrative. The administrative powers were the executive, the legislative, and the judicial. These should be separate from and dependent upon each other so that the influence of any one power would not be able to exceed that of the other two, either singly or in combination. This was radical because it completely eliminated the three Estates structure of the French Monarchy: the clergy, the aristocracy, and the people at large represented by the Estates-General, thereby erasing the last vestige of a feudalistic structure.

Likewise, there were three main forms of government, each supported by a social "principle": monarchies (free governments headed by a hereditary figure, e.g. king, queen, emperor), which rely on the principle of honor; republics (free governments headed by popularly elected leaders), which rely on the principle of virtue; and despotisms (enslaved governments headed by dictators), which rely on fear. The free governments are dependent on fragile constitutional arrangements. Montesquieu devotes four chapters of The Spirit of the Laws to a discussion of England, a contemporary free government, where liberty was sustained by a balance of powers. Montesquieu worried that in France the intermediate powers (i.e., the nobility) which moderated the power of the prince were being eroded. These ideas of the control of power were often used in the thinking of Maximilien de Robespierre.

Montesquieu was somewhat ahead of his time in advocating major reform of slavery in The Spirit of the Laws. As part of his advocacy he presented a satirical hypothetical list of arguments for slavery, which has been open to contextomy. However, like many of his generation, Montesquieu also held a number of views that might today be judged controversial. He firmly accepted the role of a hereditary aristocracy and the value of primogeniture, and while he endorsed the idea that a woman could head a government, he held that she could not be effective as the head of a family.