Between the 1820s and 1850s, the largest population of immigrants to the

United States originated from what country?

ARussia
BFrance
CPoland
DItaly
EIreland

Verified Answer :

Between the 1820s and 1850s, the largest population of immigrants to the
United States originated from "Ireland," since this led to a major backlash against Catholics by many "Nativists".