Why did many immigrants come to the us during the second half of the nineteenth century

The United States experienced major waves of immigration during the colonial era, the first part of the 19th century and from the 1880s to 1920. Many immigrants came to America seeking greater economic opportunity, while some, such as the Pilgrims in the early 1600s, arrived in search of religious freedom.

answer; /// i believe that they became successful farmers; ///////////////

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