What is a “militia”? a part of the regular army made up of volunteers

a force made up of civilians trained as soldiers

a combined force made up of civilian volunteers and regular army soldiers

a part of the regular army made up of natural-born citizens

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.