Answer: More children going to school.
Explanation:
A-pex answer
Many immigrants came to America seeking greater economic opportunity, immigration prior to the 1892 opening of Ellis Island, the country's first federal immigration station. The U.S. Civil War 1861-1865 resulted in the emancipation of Between 1820 and 1930 some 4.5 million Irish migrated to the United states
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Many immigrants came to the United States from Germany because there was abundant factory work, cheap food, abundant and cheap land, political tolerance of religious minorities, and most of the important food crops in Germany died.