Why was otto von Bismarck chosen to lead German unification?

Otto Von Bismarck was chosen to lead German unification due to his diplomatic skill, political acumen, and pragmatic approach to statecraft. As the Prime Minister of Prussia, he effectively utilized a combination of warfare and diplomacy, orchestrating key conflicts such as the Danish War, Austro-Prussian War, and Franco-Prussian War to strengthen Prussia's position and rally German states around it. His vision of a unified Germany under Prussian leadership resonated with nationalistic sentiments, making him a pivotal figure in the unification process. Additionally, his ability to manipulate political alliances and public opinion helped to realize the long-held aspiration for German unity.