Which of the following is NOT true about the U.S. economic policy?

a. A key American economic principle is that economic success is tied to a free market.
b. American government intervention in economic matters is limited by its commitment to the principle of laissez-faire.
c. U.S. policy-makers have tended to cede power to private actors who are not necessarily concerned with the impact of their activities upon the broader economy.
d. With the formation of the Federal Reserve Board in 1913, the national government increased its ability to regulate the U.S. economy.
e. Interstate and foreign commerce are regulated by the national government.

d