What led to the iron curtain speech?

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Explanation:

Iron Curtain speech, speech delivered by former British prime minister Winston Churchill in Fulton, Missouri, on March 5, 1946, in which he stressed the necessity for the United States and Britain to act as the guardians of peace and stability against the menace of Soviet communism, which had lowered an “iron curtain”

"i care deeply about campaign finance reforms: - apex