A markets structure
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Answer:
First one -- Should be true not hundered percent sure
Second one-- True
Explanation:
Answer: The United States emerged as a world power; Cuba gained independence from Spain; the United States gained possession of the Philippines, Guam, and Puerto Rico.
Probably the main reason Africans, rather than Native Americans, became slaves in America was that D. Africans and Europeans shared immunities to Old World diseases.