Answer:
That God created all things
I believe the answer is: Divided government
With this system, the losing party could take the opposition stand from the winning party. Even though this might make the government activities become more complicated, it would prevent one party from obtaining too much power within the government.
The Black Land was the only ground the Egyptians could use to grown crops. Every year a layer of black silt deposit appeared after the flooding of the Nile which made the ground real fertile for their crops.