Migration of the Bantu People Throughout history, groups of people have been forced into migration. In Africa, beginning at least 2,000 years ago small groups of Bantu speaking people began spreading south and east. Many things have come out of this migration….?? The cause of the Bantu migration is uncertain, but many anthropologists believe it was caused by an increase in population. The population was increased as a result of the development of agriculture and the introduction of new crops. Which allowed a more efficient source of food production than hunting and gathering did. Because of the enlarged population more food was required. So the earliest of