Many people from the Southern part of Italy immigrated to the U.S. between 1880 and 1920 because of natural disasters. Natural disasters happened in southern Italy in early 1900.
Land shortage, famine, rising taxes, and crop failures are some of the other reasons Italians immigrated in America to get the economic opportunity.
From 1865 to 1900 the number of foreigners entering the United States numbered 13.5 million. From 1900 through 1910, nearly 9 million more arrived. Roman Catholics accounted for the largest number of the religiously affiliated among the new Americans. The greatly increased numbers of Catholics through immigration resulted in tension between Protestants and Catholics.
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