Answer:
The answer is "Option A".
Explanation:
Its trading area for something like a restaurant was its area that comprises its customers' surrounding populations. It depends on the location of its restaurant, and there is some area consisting of customers, people, employees, etc. These citizens become part of the business area of its restaurant.
Music reflects the values and aesthetics of a culture's time. For example, in pop music nowadays, we have FDT (cultural values: acceptance and diversity) and EDM (aesthetic: electronic/ futuristic).
The answer is Nationalistic music. It is a piece of music that has songs from American revolution. Musical nationalism would refer to the usage of musical ideas being identified in a specific country, region like the folk songs. Hope this answer would be of help.