What did the encomienda system, established by the spanish crown, allow spaniards to do?

Legal system in which the spanish crown attempted to define the indian population in its american colonies

The transcontinental railroad provided a means of fast transportation. it cut a 6 month trip into 6 days, created jobs for many people and encouraged immigration. the homestead act played a huge role in western expansion; it allowed settlers to begin a fresh start, and gave them land in exchange for their residence for up to five years and a small fee.