 Complete the following phrase:  In interest of re-establishing Swedish domice in the Baltic Sea, Sweden allied itself against its traditional ally and benefactor, France, in the Napoleonic Wars. However, in 1810, a French Marshal, Jean-Baptiste Bernadotte, was chosen as heir presumptive to the decrepit Charles XIII; in 1818, he established the House of Bernadotte, taking the regnal name of Charles XIV. Swedens role in the Battle of Leipzig gave it the authority to force DenmarkNorway, an ally of France, to cede Norway to the King of Sweden on 14 January 1814 in exchange for the northern German provinces, at the Treaty of Kiel. The Norwegian attempts to keep their status as a sovereign state were rejected by the Swedish king, Charles XIII. He launched a 