What are 3 background details about immigration?

The United States experienced major waves of immigration during the colonial era, the first part of the 19th century and from the 1880s to 1920. Many immigrants came to America seeking greater economic opportunity, while some, such as the Pilgrims in the early 1600s, arrived in search of religious freedom

i’m   sure probably just geuss and see which one you can get right, i’m pretty sure it is the combination of goods and services