shortly after the battle. Antonio López de Santa Anna, future President of Mexico, fought in this battle as a royalist and followed his superiors' orders to take no prisoners. Another interesting note is two founding fathers of the Republic of Texas and future signers of the Texas Declaration of Independence in 1836, José Antonio Navarro and José Francisco Ruiz, took part in the Gutiérrez–Magee Expedition. Although the United States officially renounced that claim as part of the Transcontinental Treaty with Spain in 1819, many Americans continued to believe that Texas should belong to their nation, and over the next decade the United States made several offers to purchase the region. Following the Mexican War of Independence, Texas became part of Mexico. Under the Constitution of 1824, which defined the country as a federal republic, the provinces of Texas and Coahuila were combined to become the state Coahuila y Tejas. Texas was granted only a single seat in the state legislature, which met in Saltillo, hundreds of miles away. After months of grumbling by Tejanos (Mexican-born residents of Texas) outraged at the loss of their political autonomy, state officials agreed to make Texas a department of the new state, with a de facto capital in San Antonio de Béxar. Texas was very sparsely populated, with fewer than 3,500 residents, and only about 200 soldiers, which made it extremely vulnerable to attacks by native tribes and American filibusters. In the hopes that an influx of settlers could control the Indian raids, the bankrupt Mexican government liberalized immigration policies for the region. Finally able to settle legally in Texas, Anglos from the United States soon vastly outnumbered the Tejanos. Most of the immigrants came from the southern United States. Many were slave owners, and most brought with them significant prejudices against other races, attitudes often applied to the Tejanos. Mexico's official religion was Roman Catholicism, yet the majority of the immigrants were Protestants who distrusted Catholics. Mexican authorities became increasingly concerned about the stability of the region. The colonies teetered at the brink of revolt in 1829, after Mexico abolished slavery. In response, President Anastasio Bustamante implemented the Laws of April 6, 1830, which, among other things, prohibited further immigration to Texas from the United States, increased taxes, and reiterated the ban on slavery. Settlers simply circumvented or ignored the laws. By 1834, an estimated 30,000 Anglos lived in Coahuila y Tejas, compared