What was the economic plan of the United states that would give economic aid to free and democratic countries of Europe apex?

The economic plan you are referring to is the Marshall Plan, officially known as the European Recovery Program, initiated in 1948. This U.S. initiative aimed to provide financial aid to help rebuild European economies after World War II, promoting recovery and stability in free and democratic countries. The plan not only facilitated economic growth but also aimed to prevent the spread of communism by fostering political stability through economic assistance. It is credited with significantly contributing to the revitalization of Western European nations.