Why is the historical migration of the Bantu so important in the study of Africa? А.
The Bantu migration lead to the first settlements in the Sahara.
B.
The Bantu migration brought language, religion, and tools across Africa
The governments in North Africa forced migration
D
During the Bantu migration, the people refused to intermarry with Arabs and Muslims

B, The Bantu migration brought language, religion, and tools across Africa

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.

the real answer is b