The Hundred Years War, as we all know, was a 116-year conflict fought between the House of Plantagenet (and later its cadet branch, the House of Lancaster) against the House of Valois for the claim to the French throne. Now there a lot of reasons why the French won out in the end. (Stiff French resistance, in the face of seemingly superior English arms, the defection of the Duchy of Burgundy to the French via the Treaty of Arras in 1435, the weakness and ineptitude of King Henry VI). But in the end the English lost, and it would lead to a further weakening of the English via the Wars of the Roses shortly thereafter.
Now my single question is, is it even possible for England to win against France, and by victory is defined by their original intent, for the King of England to successfully be recognized and to maintain their positions as Kings of France over the Valois Kings (Charles VI and Charles VII)? Or was it just a delusion of grandeur, and is considered impossible.