In the Alamo Myth, the Texas Revolution is a battle for freedom against the imperial domination of Mexico. But actually, the 1824 constitution established after the Mexican revolution from Spain did away with slavery. The Southern slavers who had emigrated to Texas came up with a variety of dodges to keep their slaves, and figured Mexico City was far away. But when Mexico eventually began moving to enforce the ban, slave-holding Texans organized resistance, eventually declaring independence in 1836. So the Alamo really was a battle for freedom, but Jim Bowie and Davy Crockett were on the anti-freedom side.