Answer:
Because they were worried about the power that the common people had over the state governments, they wanted to reduce those governments' powers.
The writers of the constitution wanted a new plan of government because they felt the old plan gave too much power to the states and allowed too much democracy.
Answer:
In 727 BCE, Kush took control of Egypt and ruled until the Assyrians arrived. The empire began to weaken after Rome conquered Egypt and eventually collapsed sometime in the 300s CE.