One reason for the migration of many settlers to Texas was the

Explanation:

To increase the non-Indian population in Texas and provide a buffer zone between its hostile tribes and the rest of Mexico, Spain began to recruit empresarios. An empresario was someone who brought settlers to the region in exchange for generous grants of land.

this is a false claim the emancipation proclamtion freed all slaves in the rebillion states

examples that illustrates limits on texas governor´s power are: it can remove only its own appointees; the judiciary is elected; needs senatorial confirmation.