Causes of the Franco-Prussian War volunteers at the Prussian embassy in Florence, and a Prussian diplomat visited Giuseppe Garibaldi in Caprera. After the fall of Napoleon III following the Battle of Sedan, Bismarck's demand for the return of Alsace caused a dramatic shift in that sentiment, which was best exemplified by the reaction of Garibaldi soon after the revolution in Paris, who told the "Movimento" of Genoa on 7 September 1870, "Yesterday I said to you: war to the death to Bonaparte. Today I say to you: rescue the French Republic by every means." Causes of the Franco-Prussian War The causes of the Franco-Prussian War
Franco-Prussian War The German conquest of France and the unification of Germany upset the European balance of power that had existed since the Congress of Vienna in 1815, and Otto von Bismarck maintained great authority in international affairs for two decades. French determination to regain Alsace-Lorraine and fear of another Franco-German war, along with British apprehension about the balance of power, became factors in the causes of World War I. The causes of the Franco-Prussian War are deeply rooted in the events surrounding the unification of Germany. In the aftermath of the Austro-Prussian War of 1866, Prussia had annexed numerous territories and