Overview: French and Prussian animosity have been swelling in the background since the German Wars of Unification started in the 1860s. The French Duc de Gramont hopes that a victory over Prussia could restore French prestige while Prussian Chancellor Bismarck needs a reason to fulfill his dream of German unification from above. When the crisis about the Spanish throne escalates with the Ems Dispatch, the die is cast and the Franco-Prussian War begins.