A.) Lack of education. To me still has a little to do with the problem but is better than any other choice out of the selection.
He was very complacent to them
Explanation:
Harding chose Mellon( the second wealthiest man in America, who had thrived on oil) as secretary of state, he introduced historic tax cuts for the wealthy, taxes became lower for the top wealthy.
Railroads were made which were a part of industrialization.
The Council of Elders were a group of three sorcerers that lead their countries' Sanctuary. The Elders were led by a Grand Mage who was always one of the three Elders. The Elders gave orders to the sorcerers and Cleavers.
The Holocaust was the genocide of the Jewish people during WW2.