Answer: A region in southwest Asia and North Africa.
Explanation:
The mentioned area consists of fertile subregions of Mesopotamia and the Levant. The mentioned area was crucial for developing many ancient civilizations since the rivers Euphrates, Tigris, Jordan, and Nile flow through the area. It was in the valleys of the mentioned rivers that some of the greatest civilizations in history developed. The name of the region was given by the American archaeologist Henry Breasted because the entire area resembles a crescent and is very fertile.
Answer:
the answer is that i did not get to much school work
Basically economic problem
Chinampas were created by the freshwater shoreline of the northern portion of the central lake system of mexico by the nahua peoples commonly called the aztecs.