Final answer:
France aided the US to weaken Britain, signing treaties of alliance and recognition in 1778.
Explanation:
The French were willing to aid the US during the American Revolutionary War due to their desire to weaken Britain, their long-time enemy. In 1778, France officially recognized the United States as an independent country and signed two treaties with them, committing to fight together until American independence was achieved.
Learn more about French support to the US during the American Revolutionary War here:
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