What does the process of acculturation refer to?

A. The assimilation of one social institution by another that modifies the social structure and so changes the social organisation

B. The assimilation by one group of the culture of another that modifies the culture and so changes group identity

C. The assimilation of one nation state by another that modifies the national boundaries

D. The assimilation of various nuclear families into one joint family

Answer: Option B