Answer:
A. It did not rely on enslaved laborers
Step-by-step explanation:
Historians believe that slavery was practiced in ancient Mesopotamia, however, the Mesopotamian people did not rely heavily on enslaved laborers as most of them were involved in farming, fishing, and other trades.
However, they and the Egyptians did have centralized bureaucratic governments, their economies were based on a barter system, and they were controlled by a religious leader.