Had an inauspicious start (before his reign even began) with having to ransom his father, John II, from England for three million crowns and most of southwestern France. Later, with military advisor Bertrand du Guesclin, he recaptured almost all of that territory. He also concluded alliances with Portugal, Spain, and Flanders, reorganized the army, and restructured the collection of taxes while leading France's recovery from the devastation of the early period of the Hundred Years' War.