Immigrants from which of the following countries would have faced the greatest restrictions during the late 19th century and early 20th century?

AIreland
BChina
CMexico
DRussia

Verified Answer :

It was immigrants from "China" who faced the greatest restrictions during the late 19th century and early 20th century in the United States, mostly due to a lack of jobs and racist attitudes.

Answer:

It would be China