Western political thought refers to the body of ideas and theories that have shaped political systems and governance in Western societies. It encompasses a range of philosophies from ancient Greece, such as those of Plato and Aristotle, to modern thinkers like John Locke and Karl Marx. These ideas explore concepts like justice, rights, and the role of the state. Throughout history, Western political thought has influenced the development of democratic principles, individual liberties, and the rule of law. Key movements, such as the Enlightenment, emphasized reason and scientific inquiry, leading to significant political changes, including the rise of constitutional governments and the idea of popular sovereignty.