It ships the whole world's oil.
The appropriate response is Totalitarian. It a political framework in which the state perceives no restrictions to its power and endeavors to manage each part of open and private life wherever doable.
A totalitarian administration endeavors to control for all intents and purposes all parts of the social life, including the economy, instruction, workmanship, science, private life, and ethics of nationals. "The authoritatively broadcasted philosophy enters into the most profound spans of societal structure and the totalitarian government looks to totally control the contemplations and activities of its nationals."
I believe the answer is: They are based on the arbitrary borders of old European empires
African continent was colonized by different european empire. To avoid conflicts among the european, they divided africa into several territories and dtermine which country has the jurisdiction over each territories. After African nations gained independence, they still use this separation as borders to differentiate one country with another.