Final answer:
France aided the colonists during the American Revolution and helped them win the war against the British.
Step-by-step explanation:
The European nation that aided the colonists during the American Revolution and helped them win the war against the British was France. France provided crucial support to the colonists, including military assistance in the form of soldiers, supplies, and a navy. The most notable French contribution was the involvement of their navy, which played a significant role in the American victory at the Battle of Yorktown.
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