Joan was rehabilitaed because in the end the French won that war.
Right. Exactly right. Rome pronounced her a heretic and turned her over to be executed. And when Rome later felt the egg oozing down, political expediency required that the story change to hide the error. This is called playing both sides of the issue so you look good to two crowds while hoping nobody catches on.. Only Rome could out-Clinton Clinton. But then they were doing it long before Bill came along.