Question

Why did Congress limit immigration in 1921

A) since they were machines the United States did not need to import large numbers of unskilled laborers
B) other countries were under populated and needed to make money for their own economys
C) Congress believed that immigrants from European countries had racial ideas about religion and they didn't want US citizens to know about that
D) Germany paid the US to limit All European immigrates

Answer 1

A) since they were machines the United States did not need to import large numbers of unskilled laborers

is correct.