Who is responsible for making US foreign policy?

a. The president

b. The secretary of state

c. secretary of defense

d. The vice President

The answer is a. The president.

A. The President

The Constitution vests the power to make foreign policy in the federal government. It precludes the states from entering into "any Treaty, Alliance, or Confederation." Specifically, the Constitution gives the Senate the power of "Advice and Consent" on treaties, which the President is responsible for negotiating.