Answer:
Oligarchy - a government in which control is exercised by a small group of individuals whose authority generally is based on wealth or power. ... Presidential - a system of government where the executive branch exists separately from a legislature (to which it is generally not accountable).Feb
Explanation:
A system of government by groups or officials is called oligarchy.
Oligarchy is a form of government by the few, where they hold most or all political power. especially ruling power exercised by a small and privileged group for corrupt or selfish purposes. Oligarchies in which members of the ruling group are wealthy or exercise their power through their wealth are known as plutocracies. For example, Russia can be considered both a historical and modern example of an oligarchy. The wealthy and elite in Russia are the ones to run the government.
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