A(n) is a subsection of a population with a set of shared social, cultural, and historical experiences; with relatively distinctive beliefs, values, and behaviors; and with some sense of identity of belonging to the subgroup.

Ethnic group

Explanation: an ethnicity are usually refered to as people of common known and shared heritage, language, dressing and others while ethnic group are a subset of population with a known and shared language, culture, behavior, social, heritage and also beliefs.Members of an ethnic group has a common characteristics that can be used to identify them. They behave mostly alike, can be recognized mostly by their face structure, have a common history and historical experience and also a common language and Culture.

the consumer demand because the members have to be aware if people are going to buy what they want to sell in this case either energy drinks or a car wash.