The French thought it wasn't hard enough on the Germans, the Americans found it at odds with principle of self-determination, and the Germans bitterly resented it. The Treaty of Versailles satisfied no one, and enforced unfair conditions on the Germans. The treaty forced Germany to be unarmed while other nations remained fully armed. In addition it gave German populated territory to other countries and made them pay implausible amounts of reparation. Most significantly, it led to the fall of the Weimar Republic and the rise of Hitler, and ultimately the Second World War.
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