Answer:
Mesopotamia was able to grow crops with no hassle. This helped Mesopotamia ensure the safety of the crops and supply food for Mesopotamia.
Explanation:
I believe it is to, cooperate on law enforcement
Pharaohs, cuneiform and barter were most likely found in the age of 3500 BCE to 3000 BCE. Cuneiform was used by the Sumerians in that time period and the rulers of Egypt were also found in that time period as well. As for barter as a form of economy, that can be found in that time period as well and even much earlier, as it predates the use of coins.
<span>Electoral College system.
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