Answer:
A.
Explanation:
One result of the large numbers of immigrants settling in the cities of the north in the mid-1800s was the kind of problems and confrontations between different cultural groups. In the late 1800s, the largest number of immigrants to the United States came from Western and Northern Europe countries such as Great Britain, Scandinavia, and Ireland. However, immigrants from Asia, especially Japan and China, started to increase during this period.