The document provides background on the history leading up to the Battle of the Alamo. It discusses how American settlers began migrating to Texas in the 1840s due to Manifest Destiny. This concerned the Mexican government, who took steps like banning further American immigration and abolishing slavery. This outraged Texan settlers and led to conflict. In early 1836, Santa Anna's army arrived at the Alamo in San Antonio, where Texan forces had barricaded themselves. Over the next two weeks, the Texans fought off repeated attacks until the Mexicans were finally able to breach the walls. In the ensuing bloody hand-to-hand combat inside the fort, nearly all of the Texan defenders were killed, cementing