The Congress of Vienna was considered a success because it was the first time in history that on a continental scale national representatives came together to formulate treaties, instead of relying mostly on messages from the several capitals. The Congress of Vienna was a conference headed by the monarchs of Austria and it was to provide a long-term peace plan for the superpowers of Europe and to have stability in Europe.
<span>The argument that Hitler used to justify invading European countries was </span><span>He was rightly getting back the German land taken from Germany in the Treaty of Versailles. This treaty ended World War I.</span>
<span>not It operates its own industries.</span>
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answer is C
