Many immigrants left their homes to come to the united states in the 1800s because of

In the late 1800s, people in many parts of the world decided to leave their homes and immigrate to the United States. 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.

answer; (d) i believe that the correct answer is americans finally ran out of ammunition;