What is the Marshall plan the first great success of George F. Kennan's idea of containment?

The Marshall Plan, officially known as the European Recovery Program, was initiated in 1948 to aid the economic recovery of European nations after World War II. It aimed to prevent the spread of communism by promoting political stability and economic prosperity in Western Europe, aligning closely with George F. Kennan's containment strategy. By providing financial support, the plan helped to rebuild war-torn economies, reduce the appeal of communist ideologies, and strengthen democratic governments, marking a significant early success in the broader containment policy during the Cold War.