A Prussian politician who wanted to forge the German states into one nation?

Otto Von Bismarck was the key Prussian politician who aimed to unify the German states into one nation. As Chancellor of the German Empire, he employed a series of strategic wars and diplomatic maneuvers, including the wars against Denmark, Austria, and France, to achieve this goal. His policies of "Realpolitik" and careful manipulation of alliances played a crucial role in the unification process, culminating in the proclamation of the German Empire in 1871. Bismarck's efforts not only shaped Germany but also significantly altered the balance of power in Europe.