Hi. I think the details of what the author said were not included in your post. I researched and found similar question but with the additional information. Here's my answer:
According to the author, the conditions in Europe during 800's was chaotic. The Frankish Empire was disintegrated to federation of feudal lords, Church did not have power, knights forcing the peasants to pay taxes. Muslims controlled Spain.
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The Aztecs were famous for their agriculture, cultivating all available land, introducing irrigation, draining swamps, and creating artificial islands in the lakes. They developed a form of hieroglyphic writing, a complex calendar system, and built famous pyramids and temples.
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Not very effective
Explanation:
Every action taken during the years leading to the Civil War was temporary, as the balance was eventually broken and the South seceded and sparked war.
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The Iroquois or Haudenosaunee are a historical indigenous confederacy in northeast North America. They were known during the colonial years to the French as the Iroquois League, later as the Iroquois Confederacy and to the English as the Five Nations, comprising the Mohawk, Onondaga, Oneida, Cayuga, and Seneca.
