How leaders are chosen in the oligarchy

An oligarchy is a power structure that allows a few businesses, families, or individuals to rule. They have enough power to turn the county to benefit them to the exclusion of other members. They maintain their power through their relationships with each other.

Explanation: I hope this is correct

which time period is this? or is this story fictional, i'm going to need more info to answer this question

explanation:

nutelal