Why might it be a good idea to support a natural monopoly?

Which of the following is one of franklin delano roosevelt's new deal programs?

All of the following were weaknesses of the articles of confederation, except: a) the central government was not permitted to regulate state, interstate, or foreign trade. b) the central government was not permitted to borrow money. c) the central government had little ability to regulate money. d) the central government had no ability to tax.

What type of monarch was fredrick the great ?