an iron curtainIn a speech at Westminster College, Fulton Missouri on March 5th 1946, he said that "from Stettin on the Baltic to Trieste on the Adriatic, an Iron Curtain has descended over Europe".It sounds like you are referring to the term "iron curtain" which had been used previously but which was picked up by Churchill as a theme in describing the spread of Communism in Europe.Churchill used the term "iron curtain" in a 12 May 1945 telegram he sent to U.S. President Harry S. Truman regarding his concern about Soviet actions, stating[a]n iron curtain is drawn down upon their front. We do not know what is going on behind.Churchill repeated the words in another telegram to President Truman on 4 June 1945, in which he protested against such a U.S. retreat to what was earlier designated as