In both cultures, the basis of their economy was agriculture. But this was very difficult to carry out due to the geographical conditions in which they were. They were located in an area where the climate was very dry, the land was scarce and there was very little water to irrigate those lands. Both Chavin and Nazca solved this by using underground aqueducts to transport water and, therefore, irrigate the crops permanently. Then, the most important reason why they resorted to this mechanism is the lack of water to irrigate the crops.
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A I think the answer is A
Superstitions allotted the black death to the Devil.
According to superstitious people, the Black Death was caused by the Devil himself. The Black Death, also known as the Black Plague, refers to a series of pandemic diseases which took the lives of almost 200 million people in Eurasia over the years from 1347 to 1351. The actual cause of the plague was the lack of hygiene, helped by the outbreak of <em>Yersinia pestis</em>, bacteria carried by rats, rather than Satan himself, as was commonly believed.
Answer: "It is our true policy to steer clear of permanent alliance with any portion of the foreign world": it was George Washington's Farewell Address to us. The inaugural pledge of Thomas Jefferson was no less clear: "Peace, commerce, and honest friendship with all nations-entangling alliances with none."
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