Answer:
Overall, immigrants have known to increase the economic productivity of the United States over the period of time. Surveys have found that the services of immigrants have led to better innovation for the United States. Also, immigrants provide better matching for job skills in the United States.
Even in the past, most of the immigrants who flew to America engaged in labour work and hence helped to reduce the labour work stress. Also, the farming skills of the farmers increased the productivity of the U.S supplies over the course of years.