What was the problem with John I? What did he do wrong? Why were people against him?
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Your answer

There is no story, so I don't know how to answer this question. We need a passage so we know first of all who John I is and what the problem is.

Please be more specific on your next question so you don't make the same mistake again and you waste your point.

Explanation:

At the Potsdam Conference, Stalin refused to permit the free elections in Eastern Europe that he had previously agreed to. The Iron Curtain was the term used to describe how the map of Europe was divided into Western Europe was democratic, and Eastern Europe was Communist.