A. interethnic wars
B. Arab slave trade in the north
C. the swamps created by rivers Nigeria and Benue
D. European slave trade in the south
E. the presence of pests and diseases
Correct Answer:
Option D – European slave trade in the south
A. interethnic wars
B. Arab slave trade in the north
C. the swamps created by rivers Nigeria and Benue
D. European slave trade in the south
E. the presence of pests and diseases
Correct Answer:
Option D – European slave trade in the south
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