Final answer:
Churchill views the Iron Curtain as a threat because it allows the Soviet Union to isolate Central and Eastern Europe from the West, giving the Soviet Union a chance to exert control and spread its influence.
Step-by-step explanation:
Churchill views the Iron Curtain as a threat because it allows the Soviet Union to isolate Central and Eastern Europe from the West. This means that the Soviet Union can exert control over these regions without interference from Western countries. It also allows the Soviet Union to spread its ideology and influence to these areas, potentially expanding its power and undermining the interests of Western nations.
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