What is the primary purpose of a game reserve?

If hunting is prohibited, a game reserve may be considered a nature reserve; however, because the focus of a game reserve is specifically the animals (fauna), whereas a nature reserve also if not equally is concerned with all aspects of naturally-occurring life in the area (plants, animals, insects, etc.).

the only other powers were germany russia and uk and they were too busy fighting each other wearing each other down   that the us was becoming strong and they were becoming weaker