The United Nations. They also helped prevent any more world wars.
Answer:
mississippi and missouri rivers
Explanation:
<span>A small group of people. The idea of an oligarchy is that a select handful of people essentially form all of the power over a body of people. It's almost like a dictatorship only with a couple more people added to the top of the chain rather than just an individual. The citizens abiding under an oligarchy have no say or voting power in the process or ruling.</span>
