Answer:
С. the outbreak of civil wars.
Explanation:
Boundaries established by European governments that placed competing ethnic groups within the same country in Africa led to the outbreak of civil wars.
The Europeans who came to Africa to conquer and become conical masters created boundaries that put competing ethnic groups within the same country in Africa brought about conflict and the outbreak of civil wars.
The boundaries were made on paper without thought to how the ethnic groups could coexist or what not.
