His or her ability to use The Department of Energy, The EPA, The FBI, and The Department of Health and Human Services to influence other countries is The President's tools in foreign policy.
Foreign policy are the predefined strategies and policies that need to be established and design in such as way that the home country can build a good relationship with the foreign countries. These policies are formed by foreign minister, but president implement them.
Thus, option C is correct.
For more details about foreign policy, click here:
https://brainly.com/question/11248576
#SPJ1