1946 On March 5th, former British Prime Minister Winston Churchill delivered an anti-Soviet and anti-communist speech in Fulton, USA, also known as the Iron Curtain Speech, which marked the beginning of the Cold War.

1946 65438+ 10, Churchill was invited to visit the United States. On March 5, he arrived in Fulton, Missouri, accompanied by American President Truman, and delivered a speech entitled "Pillars of Peace" at Truman's alma mater, Westminster College. Churchill declared in his speech that the Soviet attack was "expanding" and that "from Szczecin in the Baltic Sea to Trieste in the Adriatic Sea, an iron curtain has landed on the whole European continent", and the Soviet Union is increasingly exercising high-pressure control over the Central and Eastern European countries east of the "iron curtain". 1947 March 12 The relevant contents of the State of the Union address put forward by US President Truman marked that the United States and other western countries formally implemented the "Cold War" policy towards the Soviet Union and other socialist countries. President Truman put forward "containing communism" as the guiding ideology of the country's political thought and foreign policy when he delivered a speech to Congress on aiding Greece and Turkey. This speech was called "Truman Doctrine". In his State of the Union address, he explained that the direct reason for aiding Greece and Turkey is that the United States will replace Britain and fill the vacuum in the Eastern Mediterranean. Furthermore, it is pointed out that the people's revolutionary movement and national liberation movement in any country "endanger the foundation of international peace and the security of the United States", claiming that the world has been divided into two hostile camps, one is "totalitarian regime" and the other is "free country", and each country is faced with two different lifestyle choices; Therefore, it is declared that "American policy must be to support those free nations who are resisting the conquest attempts of armed minorities or external pressure", that is, the United States should undertake the mission of "free world" to resist communism and act as the world's gendarmerie. He also believes that if Greece falls, it will immediately endanger Turkey and the entire Middle East. "The impact is not only as far as the east but also as far as the west."

1the fall of the Berlin wall on October 9 marked the end of the cold war.