Hello and all the users

What reasons does the speaker provide to support his viewpoint or claim in what to the slave is the fourth of july i read to speech and but i just don't fully understand the question i just want to make sure i get it right so to explain that the question is asking me to do. and you!

When you see information in brackets, these are dialogue stage directions setting actor names

Why does the author of lifeboat ethics choose to begin his essay with this lifeboat metaphor