The answer is c because you need to know all that to fully understand
this is likely an example of CULTURAL EXCHANGE.
Cutural exchnage is the process whereby one culture adopts traits of another culture, it could be in form of language, food, clothing, Arts, Architecture, music, dance etc. It can also mean mutual sharing of information between two or more species/people for the purpose of improving friendship and understanding between them.
An example is the Pizza, it is originally from Italy, however, today we have the American pizza, which is made in a similar style with their Italian counterpart.
