What major geographical feature runs from North to South in the Eastern United States, that would prove to be a barrier to travel? A. Appalachian Mountains B. Smoky Mountains C. Cumberland Mountains D. Allegheny Mountains

The answer is A: The Appalachian Mountains. Hope this helps

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.