There have been many different forces that have linked Arab nations, but most of these links have come from military dominance in one way or another.
Answer:
c) random
Explanation:
just cause I know the answer
I'd say they shut down, because most of the men enlisted as soldiers for the war. At that time/era, the workforce were mainly men, with the women staying home and taking care of the house.
The Medina Charter was the constitution written by Muhammad after he completed his journey from Mecca to Medina. It established the basis for laws and behavior of people and various religions in the area of Medina.
You need to attach the chart. We have no idea of knowing what time period of immigration you're referring to. However, generally immigrants have gravitated towards jobs that involved skilled or unskilled labor, like manufacturing.