Answer:
Where did Texas pioneers settle in the mid-1800s?
Explanation:
In the early 1820s, numerous pioneers headed by attorney Stephen Austin began arriving in the Texas region.
In 1824, however, Texas became part of the Mexican Republic.
In May of 1836, Velasco's treaty was signed that recognized the independence of Texas, the new state was under the line of the Missouri Compromise.
The answer is: The line of the Missouri Compromise.
