Answer:
The colonist who convinced the French to aid the colonies was Benjamin Franklin.
Explanation:
Benjamin Franklin was an American politician, polymath, scientist and inventor. He is considered one of the Founding Fathers of the United States.
He was involved in the drafting of the United States Declaration of Independence, of which he was a signatory, making him one of the founding fathers of the United States. During the American Revolution, he negotiated in France as a diplomat not only the treaty of alliance with the French, but also the Treaty of Paris.
In February 1778, after the news of the British defeat of Saratoga, Franklin managed to sign an agreement with France in which recognition and a military and economic alliance were achieved.