Option B) France wanted to weaken its long-time enemy, England.
Explanation:
During the world war, France was an erstwhile enemy of the British. By enlisting the help of America, the French were of the thought that they could defeat England and claim their supremacy as a naval power on the seas. In addition, the war would bring glory to the Americans. Furthermore, it was an aid by the Americans to drive itself away from the isolationist policy.