Airways, roadways, railways, and waterways.
Answer: a) never abandoned the party hacks who had brought him to success.
Explanation: Warren harding never abandoned the party hacks because their intentions were more aligned with his winning than personal agendas or objectives, this was noticeable in him winning the 1920 elections which made him the 29th president of the United States, thus led him to become loyal to his party hacks.
D. consider the psychological principles....
Price control is the maximum cost of a good decided by the government. Therefore if a company stays at the price control maximum a competing company may lower the price in order to have the better deal. Another company may lower the price further which creates competition between the businesses. <span />