Answer:
They were often willing to work for lower wages.
Step-by-step explanation:
Immigrant workers in the United States of America could compete with native-born Americans for related jobs in the country. The addition of these foreign workers do contribute to the increase in the supply of labor in the area and a corresponding fall in wages for the workers who have similar skills and abilities.
Many of these immigrant workers are low skill workers and low-skilled Native Americans are usually those to feel the impacts of lowered wages for them.