Final answer:
The question is about the United States regions and their associated types of songs: country in the Northern region, blues in the South backwoods and Appalachian region, and hip-hop in the Western region.
Step-by-step explanation:
The subject of this question is Geography. The question asks about the United States regions and the types of songs associated with each region. In the Northern region of the United States, country music is popular. In the South backwoods and Appalachian region, blues music is prominent. Lastly, in the Western region of the United States, hip-hop music is popular.