Final answer:
The Soviet Union openly violated the Potsdam agreement by failing to uphold promises of free elections and by occupying and exerting control over Eastern European countries.
Explanation:
Two ways the Soviet Union openly violated the Potsdam agreement:
- Failure to uphold promises: Stalin had promised free elections in Eastern Europe but did not keep this promise and allowed rigged elections to ensure communist victories.
- Occupation and control: The Soviet Union occupied Eastern Europe and exerted control over countries like Poland, Romania, Bulgaria, and parts of Germany, going against the agreed-upon principles of independence and self-determination.
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