How did the french the patriot war effort

The Treaty of Alliance made the United States and France allies against Great Britain in the Revolutionary War. The French decided to help the United States in its military efforts until the U.S. had full independence from Great Britain.

The second agreement, The Treaty of Alliance, made the fledgling United States and France allies against Great Britain in the Revolutionary War. The French decided to back the u.s. in its military efforts until the u.s. had full independence from great Britain. 

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Ithink the answer is d but don’t answer it. i need points.