I believe the answer is D. Hope this helps.
Answer:
The Aztecs would often bury their dead under their houses. The Aztecs were known to sell their children, or themselves, as slaves to pay off their debts. Aztec slaves could buy their freedom, so it was more like indentured servitude as opposed to the slavery that was rampant in the United States.
Explanation:
George Westinghouse along with Nicholas Tesla
