Which of the following statements about Mesopotamian civilization is true?
A-Mesopotamia enjoyed 2000 years of almost uninterrupted
peace, stability, and prosperity.
B-Mesopotamian civilization began as a group of city-states with
similar cultures, but separate governments.
C- Farming in Mesopotamia was simple as its river flooded
regularly.
D-People in Mesopotamia were relatively equal; there was almost
no division of classes.