Final answer:
Mexico did not actively encourage U.S. citizens to settle in Texas as a buffer against hostile Indian tribes.
Step-by-step explanation:
No, the statement is false. Mexico did not actively encourage U.S. citizens to settle in Texas as a buffer against hostile Indian tribes. In fact, Mexico had concerns about the large number of American settlers moving to Texas and the potential threat to Mexican control. Mexico implemented policies to limit American immigration and their influence in the region, which eventually led to tensions and the Texas Revolution.
Learn more about Settlement of U.S. citizens in Texas