Which was the main cause of the great migration to the United States in the late 1800s and early 1900s?

(1 point)
the need for O workers in the U.S.
political unrest in Europe
religious
• persecution in
Eastern Europe
O scarcity of land and money

The main cause of the great migration to the United States in the late 1800s and early 1900s was the need for workers in the U.S.