What nation did bismark help unify?

Otto Von Bismarck played a crucial role in the unification of Germany. Through a series of wars and strategic political maneuvers, including the Franco-Prussian War, he united various German states under Prussian leadership. This culminated in the proclamation of the German Empire in 1871, with King Wilhelm I of Prussia becoming the German Emperor. Bismarck's realpolitik and diplomatic skills were key in achieving this unification.