After the Reichstag and the High Command forced the resignation of Theobald von Bethmann Hollweg on 14 July 1917, Michaelis became both Chancellor of Germany and Minister President of Prussia.
As a champion of Prussian/German liberalism, Baumgarten faced the dilemma as to whether or not to accept the military and political successes of Prussia's conservative Prime Minister, Otto von Bismarck.
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