The correct option is C <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->
The union of Austria and Germany was forbidden.
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The Treaty of Versailles imposed many restrictions on Germany. Germany was asked to pay for the losses suffered in the First World War. The compensation estimated at 6,600 million pounds was to be paid in installments. The German army was to be limited to 100,000 men. The union of Austria and Germany was forbidden. Alsace–Lorraine was returned to France.