What was the mistake British General Charles Cornwallis made that ultimately caused his defeat? (1 point) Responses He miscalculated the strength of the Continental Army in Charlottesville, VA He miscalculated the strength of the Continental Army in Charlottesville, VA He failed to listen to Benedict Arnold who informed him of key information about the Americans. He failed to listen to Benedict Arnold who informed him of key information about the Americans. He retreated to Yorktown where he was trapped. He retreated to Yorktown where he was trapped. He failed to cut off supply routes to the Carolinas. He failed to cut off supply routes to the Carolinas.