Answer :

In the 1800s, most immigrants to the United States came from: A. Europe During this time period, a significant wave of immigration occurred from various countries in Europe. People from countries such as Ireland, Germany, Italy, and Scandinavia moved to the United States in search of better economic opportunities, escaping political unrest, and seeking religious freedom. The influx of European immigrants had a profound impact on American society, shaping its cultural landscape and contributing to its diversity. While immigration from other regions like Mexico, Asia, and Africa also occurred during the 1800s, the largest number of immigrants came from Europe during this time, making it the primary source of newcomers to the United States.