Answer:
B, The Bantu migration brought language, religion, and tools across Africa
Step-by-step explanation:
The Bantu spread all over Africa, and created what is the present Sub Saharan. D, is wrong because Arabs and Bantu didn't have contact until later years. "The governments in North Africa forced migration " this one is incorrect because Bantu never spread to North Africa, because of the Sahara Barrier. A is wrong because Bantu never went to the Sahara, as it was unhospitable.