What was a reason many people emigrated from their homes (apex)

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.

the american revolution was by the middle and upper class, and the french was by the lower and middle class.