Indigenous peoples of Mexico
When Mexico gained independence in 1821, the casta system was eliminated as a legal structure, but racial divides remained. 
White Mexican argued about what the solution was to the "Indian Problem", that is indigenous who continued to live in communities and were not integrated politically or socially as citizens of the new republic. The Mexican constitution of 1824 has several articles pertaining to indigenous peoples. The second article of the constitution of Mexico recognizes and enforces the right of indigenous peoples and communities to self-determination and therefore their autonomy to:
Liberal Party (Mexico)
When Mexico achieved its independence in 1821, the Mexican political life was altered by constant struggles between Liberals and Conservatives. The Liberal Party enacted the Federal Constitution of 1857, which along with the Plan of Ayutla (1854) and other liberal reforms polarized Mexican society to lead the Reform War (1857–1861), the Second French Intervention in México (1862–1867) and the Second Mexican Empire (1863–1867).