The purpous is to proswade
Public Safety and Criminal Punishment are related in the sense that criminals get punished for their crimes, causing people to not want to do anything that they will get punished for. When people don't want punished, they don't commit crimes, therefore increasing public safety. Hope this helped!
-TTL
the context clues are( are very cold)
A) The speakers desire to cure the raven of its inability to say anything other then nevermore. I think.