Egyptians invented a system of canals that they dug to irrigate their crops. They also built gates into these canals so that they could control the flow of water. They built reservoirs to hold water supplies in case of drought.
While Mesopotamians dug out large storage basins to hold water supplies. Then they dug canals, human-made waterways,that connected these basins to a network of ditches.
It would be that "c. the chairman of the veterans' bureau laundered nearly 200$ million" that was not a scandal associated with the harding administration, since this in fact happened during the previous term.
Copper was the resource that was
so valuable that it aided the growth of kingdoms by becoming a form of currency
and a major source of political power. The answer is letter C. Copper used was
10000 years old and discovered at the Middle East in 9000BC.
