How did the ability to grow surplus crops affect the Egyptian civilization? People could specialize in different trades.
The size of the Egyptian population declined.
Fewer homes were built on the banks of the Nile.
More people were interested in moving to Egypt.

both the national government and state governments share the power of being able to: collect taxes, build roads, borrow money, establish courts, make and enforce laws, charter banks and corporations, spend money for the general welfare,

b. the second one the 16th amendment one