Why did so many Italians emigrate out of Italy to head toward the United States?

A. Italians motivated to come to American by the letters and cash sent home by Italians already living in America.

B. American propaganda suggested that there was opportunity in America for Italians.

C. An economic down-turn particularly in Southern Italy, starvation, poverty, cholera epidemics, volcanoes carthquakes and even tidal waves all were responsible for increased emigration.

D. All of the other answers are correct.​