The "melting pot" model of immigration overly simplifies the way that migration actually took place in u. s. history for all the following reasons, except:

that within two generations, most European immigrants became part of the racial majority.

Explanation:

The "melting pot" metaphor is most popularly used in the context of the United States. It simply refers to the assimilation of immigrants in the common culture of the United States. However, it is a universal phenomenon and applied where the elements of heterogeneous society melt together in a whole to emerge as more homogeneous. Today the crises of the Middle East have led many refugees to assimilate in the culture of different nations.