Explain how farming techniques changed with the Bantu migration PICK ONE ANSWER

A. The Bantu encouraged hunting of animals in the Sahel to protect the earth from overfarming
B. The Bantu brought advanced iron tools and new crops such as cereal grains to the new regions they settled
C. The bantu encouraged hunting gathering for villages to grow
D. The bantu brought stone tools and new crops such as coffee land cotton to the regions they settled