During the 19th and early 20th centuries the majority of immigrants to the United States were from what part of the world?

The answer is stated below.

Explanation:

Since Europeans reached the New World was a major destination for immigrants, some approached the foreign land in better economic opportunities, some to escape from religious prosecution and some were forced to the new world as slaves. In nineteenth and twentieth-century majority of immigrants belonged to the European nations in which Ireland and German descendants holds great number.