Otto von Bismarck, the Chancellor of Prussia, played a crucial role in the unification of Germany during the 19th century through his famous mantra of "Iron and Blood." Emphasizing military strength and pragmatic diplomacy, Bismarck orchestrated three decisive wars: the Danish War (1864), the Austro-Prussian War (1866), and the Franco-Prussian War (1870-1871). Each conflict strategically isolated adversaries and rallied the German states under Prussian leadership. The defeat of Austria and Franc