Immigration during Period 6

During the period from 1865 to 1898, the United States experienced a dramatic increase in immigration, primarily from Europe and Asia. This influx brought millions of new residents to American cities, contributing to the rapid industrial growth and urbanization of the nation. Many of these immigrants sought better economic opportunities and a chance for a new life away from the poverty, political upheaval, and religious persecution they faced in their home countries.

Which of the following groups of immigrants is most commonly associated with this era of increased immigration to the United States?