What do you think of American immigration policy?

Make the American economy get greater development. Because of America's strong economic strength and superb production technology. And this has brought a lot of labor and advanced technology to the United States. Over time, the American economy will naturally develop greatly, which is inseparable from the shrewd minds of Americans. A large number of immigrants will bring different cultures of different races, nationalities and religions to the United States. After long-term exchanges and development, as well as intermarriage between different races, it has led to the great integration of different cultures in the United States, which has provided an inexhaustible source and motive force for the economic and cultural development of the United States.