Final answer:
George Washington strongly disapproved of dueling and considered it a barbaric practice.
Step-by-step explanation:
George Washington had strong opinions against dueling and expressed his disapproval multiple times. He believed that dueling was a barbaric and senseless practice that went against principles of honor and civility. Washington made it clear that he did not support or condone duels, and actively discouraged his associates from participating in them.
Learn more about George Washington's view on dueling