 Complete the following phrase:  Moreau, probably at the instigation of his wife, returned to Europe and began to negotiate with an old friend from the circle of republican intriguers: the former Jean-Baptiste Bernadotte, now Crown prince Charles John of Sweden later king Charles XIV of Sweden. Charles John and Tsar Alexander I of Russia were now together with the Prussians and the Austrians leading an army against Napoleon. Moreau, who wished to see Napoleon defeated and a republican government installed, gave advice to the Swedish and Russian leaders about how best to defeat France. Moreau was mortally wounded in the 