Answer:
Conservation tillage is an ecological, well-sustained practice that will lead to sustainability (Option A).
Explanation: the ansewer
I found an article on google about it so i hope this helps :)
Vietnamization is the correct answer. President Nixon's Vietnamization was the American policy toward the end of the Vietnam War. This policy was made to end any involvement of United States in the Vietnam War since the ARVN (Army of the Republic of Vietnam) is improving.
B. Bantu is the correct answer!
