 After the successful conclusion of the Italian campaign and the annexation of Savoy and Nice to the territory of France, the Continental foreign policy of Napoleon III entered a calmer period.Expeditions to distant corners of the world and the expansion of the Empire replaced major changes in the map of Europe.The Emperor's health declined; he gained weight, he began to dye his hair to cover the gray, he walked slowly because of gout, and in 1864, at the military camp of Châlons-en-Champagne, he suffered the first medical crisis from his gallstones, the ailment that killed him nine years later.