Concept:Oligarchy is rule by a small group who do so for their own private gain.Explanation:A government controlled by a few people is called an oligarchy.When that small group uses power for selfish interests, it is still classified as an oligarchy.Aristocracy also means rule by a few, but it implies rule for the benefit of all, not selfish interest.Therefore, the correct classification here is an oligarchy.Answer:A. an oligarchy