Because there is a water shortage happening there. They needed to conserve water and be supplied from sources. Right now there are strict measures in the use of water around that area to ensure that it does not go to waste.
Concurrent powers are powers that are shared by both the State and the federal government. These powers may be exercised simultaneously within the same territory and in relation to the same body of citizens. These concurrent powers including regulating elections, taxing, borrowing money and establishing courts.
Hope it helps :P :)
The best option from the list would be that "b) it completely ignored slavery," since the Founding Fathers were very much aware of the hypocrisy of talking about freedom and individual liberty while owning slaves.
Hunter-gathering tribes
small towns and nomadic groups
city-states and small kingdoms
empires
nation-states
Vietnam war was the era that this happened in
