Classical liberalism is a philosophy committed to the ideal of limited government, liberty of individuals including freedom of religion, speech, press, assembly, and free markets.
Classical liberalism developed in the 19th century in Western Europe, and the Americas. Although classical liberalism built on ideas that had already developed by the end of the 18th century, it advocated a specific kind of society, government and public policy required as a result of the Industrial Revolution and urbanization. Notable individuals who have contributed to classical liberalism include Jean-Baptiste Say, Thomas Malthus and David Ricardo. It drew on the economics of Adam Smith, a psychological understanding of individual liberty, natural law