Answer: BICULTURALISM.
Explanation: Biculturalism can be simply defined as the state whereby an individual is ADAPTED to two SEPARATE cultures.
Kalervo Oberg born 1901 was a Canadian anthropologist. Oberg is best known for applying the term culture shock to all people who travel abroad into new cultures. He identified 4 stages of culture shock which are;
1) Honeymoon
2) Negotiation
3) Adjustment
4) Adaptation also known as the bicultural stage.