Diplomatic efforts, including a personal offer by Christian IX that his whole Kingdom would join the German Confederation if it could remain united with Holstein and Schleswig, failed. Two year later Prussian forces expelled the Austrians from the region altogether and South Jutland was annexed into the German Empire.
Diplomatic efforts to secure a unified German Confederation failed, including Christian IX's offer for his kingdom to join if it could retain Holstein and Schleswig.  Two years later, Prussian troops drove out the Austrians from the region, annexing South Jutland into the German Empire.