What was the political structure of Germany according to the decisions of the Vienna Congress?

What was the political structure of Germany according to the decisions of the Vienna Congress? Indicate the views of liberals and conservatives on the development of society.

By decision of the Congress of Vienna, instead of the Holy Roman Empire of the German nation, the German Confederation was created in 1815, which included 35 sovereign monarchies and 4 free cities: Hamburg, Lubeck, Bremen and Frankfurt am Main. The representative body of the Union, the Bundestag, met in Frankfurt am Main, but its decisions were not binding on individual members of the Union.

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