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.
Answer:
B.
It established three branches of government in the territory.
Answer:
The diffusion of people and language took place widely across the continent. Through the movement and spread of the languages it brought about some type of ancient development in food production and movement of peoples within the continent. For example the Nilo-Saharan language may have originated among fishing.
A theory is a hypothesis that is proved to be true through rigorous scientific methods of verfiication, mathematical and scientific arguments. Theories escalate into laws more when found out to be a natural fact. In this case, the answer would have to be A.
