Answer:
Slash and burn agriculture is a widely used method of growing food in which wild or forested land is clear cut and any remaining vegetation burned. The resulting layer of ash provides the newly-cleared land with a nutrient-rich layer to help fertilize crops.
Explanation:
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The correct answer is the third one: Moved tribes to reservations with defined borders.
The U.S. Congress passed the Indian Appropriations Act, creating the reservation system. The government forces Native peoples to move to and live on reservations, where it can better subdue them
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He came to power by ousing the president in a sort of military coup