USA HISTORY

Detailed explanation-1: -People may choose to immigrate for a variety of reasons, such as employment opportunities, to escape a violent conflict, environmental factors, educational purposes, or to reunite with family.

Detailed explanation-2: -The majority of these newcomers hailed from Northern and Western Europe. Approximately one-third came from Ireland, which experienced a massive famine in the mid-19th century. In the 1840s, almost half of America’s immigrants were from Ireland alone.

Detailed explanation-3: -Between 1861 and 1890, 10.4 million immigrants arrived in the United States, mainly of Southern and Eastern European descent. This wave was more than twice the size of the previous wave, which had 4.9 million immigrants of mostly Northern European descent, who migrated to the United States between 1831 and 1860.

Detailed explanation-4: -Most immigrants entered the United States through New York Harbor, although there were other ports of entry in cities such as Boston, Philadelphia, Baltimore, San Francisco, and New Orleans.