Mutton is a staple in the diet of which ethnic group?

Mutton is a staple in the diet of Native American ethnic group. Mutton is simply mature sheep. In other parts of the country, most of the people, haven't tried mutton. All they think it is tougher and  gamier than lamb.They haven't introduce to barbecued mutton. 

D: A cultural Group that can be defined by a region and Location.

Explanation:

A Local culture is define by the region or location it is in.