Final answer:
The give-way vessel must take action to avoid a collision by changing course, slowing down, or stopping. This is in accordance with navigational rules, essential for maritime safety.
Step-by-step explanation:
The give-way vessel's responsibility requires that it take action to avoid a collision by altering its course, slowing down, or stopping if necessary.
This is part of the navigational rules known as the 'Rules of the Road' which dictate how vessels should interact to avoid accidents on the water. It is important for the safety of all on the waterways that these rules be followed diligently.