Climate change describes a change in the average conditions — such as temperature and rainfall — in a region over a long period of time.
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Answer:
The Fertile Crescent was an area with agriculture. Ancient people built large cities here.
Explanation:
Most archaeologists argue that the first large scale civilizations developed in Mesopotamia or the Fertile Crescent around 10 000 to 7500 BCE, after the Neolithic Revolution, which marked the transition from hunting and gathering to a more sedentary and agricultural means of livelihood. The first cities were Ur, Eridu, and Uruk. Mesopotamia was located around the Tigris–Euphrates river system in what is today Iraq, Kuwait, Syria, and southeastern Turkey. The wheel was invented in Mesopotamia, and there is the first evidence of mathematics and astronomy.
Answer:
The Union's industrial and economic capacity soared during the war as the North continued its rapid industrialization to suppress the rebellion. In the South, a smaller industrial base, fewer rail lines, and an agricultural economy based upon slave labor made mobilization of resources more difficult
