 Napoleon III still hoped to receive some compensation from Prussia for French neutrality during the war.His foreign minister, Drouyn, asked Bismarck for the Palatinate region on the Rhine, which belonged to Bavaria, and for the demilitarization of Luxembourg, which was the site of a formidable fortress staffed by a strong Prussian garrison in accordance with international treaties.Napoleon's senior advisor Eugène Rouher increased the demands, asking that Prussia accept the annexation by France of Belgium and of Luxembourg.