Complex sentence: John André (2 May 1750--2 October 1780) was a British Army officer hanged as a spy by the Continental Army during the American Revolutionary War for assisting Benedict Arnold's attempted surrender of the fort at West Point, New York to the British.
Split into simpler sentences: John André (2 May 1750--2 October 1780) was a British Army officer hanged as a spy by the Continental Army during the American Revolutionary War. This was due to an incident in which he attempted to assist Benedict Arnold's attempted surrender of the fort at West Point, New York to the British.