The primary energy source in the US is fossil fuels, such as coal and oil. Hydroelectic and solar are very very small in comparison (about 10 to 15 times less of those is used than fossil fuels).
The Articles of Confederation were articles written by Congress during the Revolutionary War. They failed because they put too much power on the people and the states, therefore not giving Congress and the central government enough power. Afterwards, the constitution was created.
They're given money to help support them while they are having difficulty finding jobs since they had a large disadvantage (and still to this day a smaller, but still significant, disadvantage).
Many people argue that the new deal actually hurt many minorities from getting jobs at all since it did not solve any real underlying issue, only supplemented them with money instead of solving the root of the problem in why they could not get a job in the first place.