QUESTIONS1. What is the Containment Doctrine? 2. Summarize the main points of the Truman Doctrine and the Marshall plan.3. On pages 674-675 of you text, you have an article about McCarthyism. Answer question 3 at the end of the article.4. What prompted the United States to enter into the Korean War? What was the result of that war and is the result still valid today?ANSWERS2. Summarize the main points of the Truman Doctrine and the Marshall plan.