Answer:
The right answer is ethnic conflict.
Step-by-step explanation:
Unfortunately, the borders of Africa are artificial, they´re unnatural creations of European colonialists that don´t reflect the true map of ethnic, racial and cultural divisions of African peoples. Borders were drawn to separate colonial possessions owned by one power from another´s. This led to many armed conflicts, massacres and tragedies. Some conflicts that erupted in the aftermath of independence still exist today.