The Liberal Party was a political coalition that emerged in Mexico after independence. Strongly influenced by French Revolutionary thought, and the republican institutions of the United States, it championed the principles of 19th century liberalism, and promoted republicanism, federalism, and anti-clericalism. They were opposed by the Conservative Party.

The Centralist Republic of Mexico, or in the anglophone scholarship, the Central Republic, officially the Mexican Republic, was a unitary political regime established in Mexico on 23 October 1835, under a new constitution known as the Siete Leyes after conservatives repealed the federalist Constitution of 1824 and ended the First Mexican Republic. It would ultimately last until 1846, when the Constitution of 1824 was restored at the beginning of the Mexican-American War.