USA HISTORY

Detailed explanation-1: -The Irish made up the majority of immigrants in this period, particularly during the famine years of the 1840s and 1850s when they comprised more than 90 percent of the city’s foreign-born residents. Germans, Canadians, and those from England and Scotland came in smaller numbers.

Detailed explanation-2: -Between 1820 and 1860 most immigrants came from northern and western Europe. The potato famine in Ireland (1845-1847) brought large numbers to the United States. The unsuccessful 1848 Revolution in Germany also created considerable emigration. Others came from Sweden, Norway, Denmark, England, Scotland and Wales.

Detailed explanation-3: -Between 1870 and 1900, the largest number of immigrants continued to come from northern and western Europe including Great Britain, Ireland, and Scandinavia. But “new” immigrants from southern and eastern Europe were becoming one of the most important forces in American life.

Detailed explanation-4: -Most immigrants in the early 1800s were coming from western and northern European nations like Britain, Ireland, and Germany. Later in the century, more and more were coming from southern and eastern European nations like Italy, Poland, and Greece.