Answer: A. drought
Explanation:
It is A because their environment changed alot so it was difficult to grow corn and so the migrated south where it rained more.
Answer:
Cold War tensions were intensified by the space race because both sides wanted to be the first to have a man orbit the Earth or land on the Moon due to the morale boost that it would provide. ... The moon landing would be a turning point in world history and both sides desperately wanted their chance at history.
Explanation:
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There are several reasons why the Aztec need for victims for sacrifice led to problems controlling the empire, but a major reason was that it terrified many average citizens.