Answer:
This is an independent clause.
Explanation:
A compound sentence is composed of more than a single independent clause.
Ex.: Al stayed at the library, and then he went home.
A compound-complex sentence is composed of more than a single independent clause AND has a dependent clause attached (either before or after it).
Ex.: Al stayed at the library, and then he went home because he was tired.
Ex.: After soccer practice, Al stayed at the library, and then he went home.