What were three countries that supplied large numbers of immigrants to the US in the late S's?

In the late 19th century, particularly the 1880s to the early 1900s, three countries that supplied large numbers of immigrants to the United States were Germany, Ireland, and Italy. German immigrants sought economic opportunities and political asylum, while Irish immigrants fled famine and poverty. Italian immigrants were also driven by economic hardship and the promise of better job prospects in America. These waves of Immigration significantly shaped the cultural and demographic landscape of the United States.