Which Policy Is Most Consistent with a Laissez-Faire Economic Philosophy

Which policy is most consistent with a laissez-faire economic philosophy?

A) using the Federal Reserve system to expand the supply of money in order to promote commercial lending
B) providing subsidies for people to start new small businesses
C) requiring automobile manufactures to meet certain fuel economy standards
D) eliminating regulations that limit the types of loans that banks may offer to consumers
E) establishing zoning laws that limit the ways that individuals and firms use land in certain places