Immigrants before and after 1865 originated from different regions in Europe and Asia, impacting the changing immigration patterns to the United States.
Before 1865: Most immigrants to the United States before 1865 came from Northern Europe, particularly from England, Scotland, Ireland, Germany, and Scandinavia. An important exception was the arrival of Chinese workers due to the Burlingame-Seward Treaty of 1868.
Latin America: Immigrants going to Latin America mainly came from Europe.
Changing Immigration Patterns: The pattern of immigration changed after 1865, with a significant increase in arrivals from southern and eastern European countries like Italy, Greece, Russia, and Poland.
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