A naturalization process, hence the nam3
The Fertile Crescent is an area of the Near East that was supplied with enough fresh water which favored the development of agriculture. It was named that way because of it´s fertility and the shape that looks like a crescent, with the Persian gulf at one side and the Mediterrean sea at the other. Due to it´s characteristics the first civilizations arose in the area
People living in the northen areas of the Fertile Crescent moved to other areas due to flooding caused by excessive snow in the mountains, in spring the high temperatures also caused the increase in the course of the rivers, leadind more floods
People settled in Mesopotamia due to the fertility of the area and the possibility of agriculture which favored the development of the people established in the new area
There were significant advances within the culture, metallurgy, ceramics and architecture to mention a few
It would be an "embargo" that occurs when one nation refuses all trade with another, although usually these embargo's only apply to a single group of goods, not all goods at the same time.