I would say the answer is B. Conflict led to its split into two separate kingdoms. Sorry if I am wrong, but otherwise I hope I was helpful for you.
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)
