How did the flood of immigrants to the United States in the late 1800s affect the industrialization of the US? Use evidence in regards to urbanization, labor unions, railroads, etc

The researchers believe the late 19th and early 20th century immigrants stimulated growth because they were complementary to the needs of local economies at that time. Low-skilled newcomers were supplied labor for industrialization, and higher-skilled arrivals helped spur innovations in agriculture and manufacturing.

Because of prejudice