Which of these is not a tool the united states uses as part of its economic foreign policy?

Military actions against competitors was not a tool the United States uses as part of its economic foreign policy. It used the policies like, Negotiating and Joining trade agreements, Providing foreign aid to struggling countries, as their idea towards the society changed and they wanted to help the other countries to grow and develop.

Using sanctions to restrict the trade was also a tool the United States uses as a part of its policy.

b]to spread the message of black power

i believe the correct answer is b.