Final answer:
In the story of Pandora, Zeus mitigates his revenge by adding 1)hope to the casket, which remained after Pandora unleashed the evils into the world, providing mankind some solace.
Step-by-step explanation:
In the story of Pandora, Zeus added 1)hope to the casket as a way to temper the consequences of human curiosity and disobedience.
After Pandora opened the casket out of curiosity, it unleashed all the evils into the world.
However, as an act of mitigation to his revenge, Zeus included hope inside the casket, which remained after all other things had escaped, providing mortals with a form of consolation amidst the suffering.