Which statement BEST explains the role of immigrants in the United States during western expansion from the late 1800s to early 1900s?
A) The west had become overpopulated, so immigrants moved to the east coast.
B) The U.S. government forced immigrants to move west of the Mississippi River.
Eliminate
C) They often had farming experience, so they settled in the Great Plains area.
D) They were the only people who wanted to settle in the western United