Which of the following defines the term foreign policy?

A. actions are taken to improve the well-being of people around the globe

B. a monetary system in which prices worldwide are set by the ratio between the world's supply of gold and the world's level of economic activity

C. the country's plan for dealing with other countries and peoples of the world

D. President Monroe declared that the United States would stay out of European conflicts and that European nations must stay out of North and South America