Sonora were exploiting the indigenous. This rebellion destroyed the reputation of the Jesuit mission system. Another Seri rebellion occurred in 1748, with Pima and Tohono O’otham support and lasted into the 1750s. This kept the settlement situation in disarray. With population of the Mexican split half indigenous and half Spanish, about one-quarter of the indigenous population lived in Sonora alone. In 1767, the king of Spain expelled the Jesuits from Spanish-controlled territories, ending the mission system. In 1821, the colonial era in Sonora was ended by the Mexican War of Independence, which started in 1810. Without being directly involved in the
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,