It would O Maynard Jackson
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Answer:
Disease. When the Spanish arrived, they brought with them smallpox. Smallpox spread among the indigenous people and crippled their ability to resist the Spanish. The disease devastated the Aztec people, greatly reducing their population and killing an estimated half of Tenochtitlan's inhabitants.
Explanation:
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They prevented people from leaving China because the desert were so hard to cross.(ANSWER D) Gobi desert was dangerous and dry, water available was little since oasis were rare. The Taklamakan desert has strorms with whip up frequency The day boils hot while the night freeze cold .In addition it has poisonous snake.
