What does the author of "a quilt of a country" believe is the most likely reason that many americans accept new immigrants to this country?

The author of "A Quilt Of A Country" believes that most immigrants are attracted to America due to its diversity. The United States is a largely diverse society but integrated and accepting to others as well as bound by a common sense of purpose

the lowest among the social higher rank were the working class. this class remained detached to the political progression   of the country and was hostile to the other two classes