What role did a large number of immigrants play in the economic and cultural development of the United States

Cultural diversity improves the diversity of social development. Economically, it has injected vitality into the American economy. Provide more labor and investment.

I think to some extent, a large number of immigrants have promoted the development of the United States in all aspects.

However, everything has advantages and disadvantages, and the immigrant population is not necessarily highly educated and skilled, so it will also increase the negative impact on society.