Final answer:
Polydectes is able to trick Perseus into battling Medusa because of Perseus's peace.
Step-by-step explanation:
Polydectes is able to trick Perseus into battling Medusa because of Perseus's peace. In Greek mythology, Polydectes, the king of Seriphus, wanted Perseus out of the way so he could marry his mother. To manipulate Perseus, Polydectes tricked him into promising to bring him the head of Medusa, knowing that it would be a deadly mission. By appealing to Perseus's peaceful nature, Polydectes was able to deceive him and put him in a dangerous situation.