Why did bantu-speakers migrate south instead of north? a. desertification created a barrier to the north. b. the bantu were blocked from the north by outside invaders. c. bantu culture could not easily assimilate in the north. d. the bantu had more in common with the peoples living in the south than in the north.

The correct answer is option A "Desertification created a barrier to the north". Bantu-speakers, were originally from Congo, and they migrated to eastern and southern countries of Africa approximately from 1000 BCE through 1700 AD. Bantu migration did not occur to the north since desertification created an hostile environment for Bantu people.

c. had saved colonel cresap's family from attack by other native americans.