The response that most accurately describes the way in which a feature of material culture varies according to geographic region is:
Hip hop developed in the Bronx in the 1970s in response to social and political conditions, but as it diffused, hip hop became less political in order to achieve mainstream appeal.
This statement reflects how a cultural form (hip hop music) evolves and changes as it spreads to different geographic areas and cultural contexts, often losing some of its original attributes in the process to gain popularity.