The correct answer is: [B]: "receiving Social Security" .
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Answer:
After the passage of the Homestead Act, settlers flooded to the 1. "Great Plains", where lumber was scarce. Barbed wire enabled these settlers to fence in their lands. As a result, the movements of Native Americans and 2. "cattle drivers" were severely restricted, and the era of 3. "the open range" came to an end.
Right now, the two biggest religions in Africa are Christianity -brough by the Europeans and Islam -brought by the Arabs, so the correct answer is B. There are also some people, but less, who still practice the more ancient tribal religions