According to "The Immigrant Contribution," what does the concept of the "melting pot" represent? O A. the idea that all people, whether newly arrived or long established in the United States, are equal
O
B. the desire for new immigrants to learn to fit in with the dominant culture of the United States
c. the belief that a shared background as a nation of immigrants unifies all United States citizens
D. the process of blending many ethnicities in the United States into a single nationality