By 1675, more than 85 percent of the population of the United States was ___. A. west of the Appalachians
B. immigrants
C. naturalized
D. living in New England
E. native-born

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.