Final answer:
Hitler violated the Treaty of Versailles by re-arming Germany secretively. The allies' appeasement approach could have been replaced by stricter actions to enforce the treaty.
Explanation:
Hitler broke the rules of the Treaty of Versailles by funding the construction of offensive weapons like submarines and tanks, placing troops near the French border, and re-arming Germany in secret.
The appeasement of the allied powers towards Hitler's violations was a controversial strategy. Instead of appeasement, they could have taken a more assertive stance to prevent further violations.
In hindsight, the leaders should have taken stricter actions to enforce the treaty's provisions and deter Hitler's aggressive moves, potentially altering the course of history.
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