African Americans had joined the Union army. By the end of the Civil War, more than
A. 5,000
B. 97,000
C. 186,000
D. 557,000

C because black men had served as soldiers in the U.S. Army.

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.