~Hello there! ^_^
Your question: What waterway is the most significant to the regions due to its vast resources..?
Your answer: Tigris River is the water way that is the most significant to the regions to its vast resources.
The answer is option C.
Hope this helps~
A. The formation of new democracies after the fall of the Soviet Union
-1 on which axis? Is this all the information given in the question?
