The "melting pot" theory of American society assumes that immigrants

A. are ethnocentric

B. cook better than native-born Americans

C. become steelworkers

D. assimilate into a single American culture

The "melting pot" theory of American society assumes that immigrants D. assimilate into a single American culture. In a melting pot, the idea is that all sorts of immigrants will come to America and melt together, abandoning a strong tie to their original culture and instead forming a new culture.