Answer:
The migration of the Bantu people from their origins in southern West Africa saw a gradual population movement sweep through the central, eastern, and southern parts of the continent starting in the mid-2nd millennium BCE and finally ending before 1500 CE. With them, the Bantu brought new technologies and skills such as cultivating high-yield crops and iron-working which produced more.
Explanation:
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The answer is 3 because it starts with “on” which is a preposition
