 Complete the following phrase:  The Battle of Pontarlier, also known as the Battle of Pontarlier-La Cluse, was the final military operation of the Franco-Prussian War, that took place from January 29 to February 2, 1871, near Pontarlier and La Cluse-et-Mijoux, not long after the newly formed German Empire and French Republic had a ceasefire. During these engagements, the German Army of the South, under the command of Lieutet General Edwin von Manteuffel won over the French Eastern Army under the command of General Justin Clinchant, the battle forced the French Eastern Army to withdraw to neutral Switzerland. The strong efforts of the German armies led by General August von Werder in The previous 