Answer:1. land became infertile
2. other parts of the world
3. people explored different part of the world for agriculture and domestication animals.
Explanation:
The fertile crescent is known as the land of “Cradle of Civilization”. They were the early settlements of the Mesopotamian civilization. It is located in regions which extended in present day Iraq, Jordan, Palestine, Syria, Israel, Turkey and Lebanon.
1. The people eventually left Fertile Crescent because the fertile land gradually began to dry up and became less fertile. There were large scales of irrigation which drained out the water from the land leaving the land to dry up.
2. The people from the Crescent land moved to other places and country like Europe, northward to Crimea, America, eastward to Mongolia, etc.
3. The people spread agricultural techniques and well developed irrigation method, other part of world also began to grow crops and produce foods and grains. People knew the art of living and does agriculture.
