Answer;
C. Many came to join family already in the United states;
One reason why immigrants came to the America in the late 1800s was that; many came to join family already in the United States.
Explanation;
During the late 1800s, people in many parts of the world decided to leave their countries and immigrate to the United States due to a number of reasons. Fleeing crop failure, land and job shortages, rising taxes, and famine, many came to the U. S. because it was perceived as the land of economic opportunity. Additionally, others came to members of family that were already in United states.