BOTH INTERNATIONAL & INLAND A vessel shall slacken her speed, stop, or reverse her engines, if necessary, to __________.

Correct Answer: Option D — All of the above

Rule 8(e) mandates that if necessary to avoid collision or allow more time to assess the situation, a vessel shall slacken her speed or take all way off by stopping or reversing her engines. This ensures the vessel maintains the ability to maneuver effectively in close-quarters situations.