Benedict Arnold
That was the Green Mountain Boys, led by Ethan Allen.
British Mayor John Andre helped Benedict Arnold try to capture George Washington.
Sally Townsend of Oyster Bay helped get the word to her brother Robert ("Culper Jr." of the Culper Spy Ring) that led to the capture of Major Andre during the Revolutionary War.
He helped the British conquer Fort Ticonderoga, and at first his plan worked, but then the Rebels surrounded him and he was forced to surrender.
He was great help to them because he helped capture fort Ticonderoga and was the commander of the green mountain boys who played a big role in the war!
By sending military supplies.
they helped them because the French were earlier defeated by British.
France
France during the Revolutionary War.
Marquis de Lafayette was a Frenchmen that helped the American colonies during the Revolutionary War.
helped the sons of liberty