 Less successfully, he solicited payments from the United States government to open negotiations, precipitating a diplomatic disaster (the "XYZ Affair").The difference between his diplomatic success in Europe and failure with the United States illustrates that his diplomacy rested firmly on the power of the French army that was a terrible threat to the German states within reach, but lacked the logistics to threaten the USA not the least because of the Royal Navy domination of the seas.After Napoleon's defeat, he withdrew claims to the title "Prince of Benevento", but was created Duke of Talleyrand with the style "Prince de Talleyrand" for life, in the same manner as his estranged wife.