How did the phrase Iron Curtain reinforce Churchill's overall message in the speech?

The phrase "Iron Curtain" in Winston Churchill's speech symbolized the division between the democratic West and the communist East following World War II. By using this term, Churchill underscored the urgency of recognizing and addressing the growing threat of Soviet influence in Europe. It reinforced his overall message about the need for Western nations to unite against totalitarianism and to safeguard democratic values. The imagery of an "Iron Curtain" effectively illustrated the stark and oppressive reality of the post-war geopolitical landscape.