Answer:
He tried to betray the fort at west point.
Step-by-step explanation:
General Arnold's attempt to betray the fort at the West point was seen as the corruption which he committed when he tried to surrender the fort at west point to the British forces
When his plan was discovered he fled the American forces to join the British forces. General Bernard Arnold was a General in the American revolutionary war fighting on the side of the American forces but tried to betray them and when his plot was discovered he fled to the enemies side his name was used and seen in America as a synonym for betrayal and corruption . He was a merchant operating ships before the war.