Not only did it renew the morale of the American public, but it convinced potential foreign partners, such as France, that American could win the war, and that it might be in their best interests to send aid. It convinced the French to sign 2 treaties in 1778 -Treaty of Amity and Commerce" because France saw the U.S as independent and offered trade concessions. And also signed "Treaty of Alliance", if France entered the war, then both France and U.S would fight together until American Independence was won