Answer: 1. Historians have identified several causes that led to the outbreak of the Cold War, including: tensions between the two nations at the end of World War II, the ideological conflict between both the United States and the Soviet Union, the emergence of nuclear weapons, and the fear of communism in the United States.
2.containment” policy: A military strategy to stop enemy expansion. It is best known as the Cold War policy of the United States and its allies to prevent the spread of communism abroad.
3.The Truman Doctrine essentially meant giving money and weapons to enemies of the USSR. The Marshall Plan was an attempt to get all of Europe in debt to the USA and allow the Americans to dominate it. The American view was that the Truman Doctrine was stopping the continuing spread of Communism.
4. NATO promotes democratic values and enables members to consult and cooperate on defence and security-related issues to solve problems, build trust and, in the long run, prevent conflict.NATO is committed to the peaceful resolution of disputes. If diplomatic efforts fail, it has the military power to undertake crisis-management operations. These are carried out under the collective defence clause of NATO's founding treaty - Article 5 of the Washington Treaty or under a United Nations mandate, alone or in cooperation with other countries and international organisations.
yes i did get this information off the internet but just try to put it into your own words.