Answer:
Overpopulation
Step-by-step explanation:
Causes of Bantu migrations
Overpopulation.
exhaustion of local resources - agricultural land, grazing lands, forests, and water sources.
increased competition for local resources.
a spirit of adventure.
tribal rivalries or family conflicts.
climate change and other natural calamities affecting crops.
famine.
epidemics.
Causes: The reasons for the Bantu migrations are unknown to many, but they most likely include these listed below: Drying up of the Sahara grasslands which led groups that practiced agriculture to migrate in search of new fertile land and water for farming. (Drought and Famine)