Second Napoleonic Wars

was the emperor of the powerful France. He was emperor until a defeat by the hands of Prussian forces in 1871. How did the French go from almighty to getting kicked around by Prussians? The answer is the, in which the scored an victory against French forces in 1862. If the French won the battle, it is likely they would remain a powerful nation.

POD
The United Mexican States are defeated by superior French troops at the Battle of Puebla, which was a pivotal battle in the. The greater conflict caused by Napoleon III is known as the .