Mexicans of European descent officially in force through the rest of the colonial period. Criollo resentment of the privileges afforded to the "Peninsulares" was the main reason behind the Mexican War of Independence. When the war ended in 1821, the new Mexican government expelled the peninsulares (approximately 10,000 – 20,000 people) in the 1820s and 1830s which at a degree, kept the European ethnicity from growing as a percentage; this expulsion however, did not lead to any permanent ban on European immigrants, even from Spain. Independence did not do away with economic and social privilege based on race as the Criollos took over those
Antonio López de Santa Anna enough to send him to school. In June 1810, the 16-year-old Santa Anna joined the Fijo de Veracruz infantry regiment as a cadet against the wishes of his parents, who wanted him to pursue a career in commerce. In September 1810, secular cleric Miguel Hidalgo y Costilla rebelled against Spanish rule, sparking a spontaneous mass movement in Mexico's rich agricultural area, the Bajío. The Mexican War of Independence was to last until 1821, and Santa Anna, like most creole military men, fought for the crown against the mixed-raced insurgents for independence. Santa Anna's commanding officer was José Joaquín de Arredondo,