The Political Constitution of the United Mexican States is the fundamental legal document that outlines the structure and principles of the government in Mexico. It was first enacted in 1917 and serves as the supreme law of the country, establishing the rights of citizens and the responsibilities of the state. This constitution is divided into several articles that cover various topics, including the separation of powers, individual rights, and the organization of the federal government. It has undergone numerous reforms to adapt to changing social and political contexts, ensuring that it remains relevant to the needs of the Mexican people.