Questions Refer to the Image Below

Questions refer to the image below. Engraving by Italian explorer Savorgnan de Brazza shows women of the West African
Bateke tribe working in corn plantations.
-Based on your knowledge of world history, what was the effect of growing the crop shown above on the population of Africa?

A) Malnutrition and population decline followed the introduction of non-native food sources.
B) With increased nutrition supplied by corn, the population in some parts of Africa increased.
C) Corn growing replaced pastoralism in Central Africa.
D) Corn growing had little effect on the population of West Africa.