How did the way in which euro- pean colonialists carved up africa in the 1800s lead to civil strife in many new african nations?

The Europeans did not think about what religions were practiced where or where different tribes were located. So when they divided Africa up tribes were separated and forced to be with other tribes that they might not have gotten along with and religious groups were forced to have to live together, causing a lot of strife to be made known.

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