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.
-The image above reflects which of the following historical developments or events?

A) American food crops dispersed during the Columbian Exchange
B) Slave labor in European colonies in Africa
C) Slave labor in the Americas following the Columbian Exchange
D) Matriarchal social structure in Africa