The main cause was the Stock Market Crash of 1929.
Answer:
It's large size, which made it difficult for the Union to conquer.
<span>D) whether slavery would spread across the United States
Hope this helps!</span>
The one that does not accurately describe Mesopotamia is : D. it has remains of the Great ice sheets
Mesopotamia is where the first western civilization began (which eliminate option C) and is well known for it's agricultural technique and a place where wheat and lentils first found (which eliminate option A and B)