15. In Act 4, Scene 1, what demonstration of his power does Prospero give Ferdinand and Miranda, and why does he offer them this demonstration? Who are Ceres and Iris, and what is the subject of their exchange?
He demonstrates his powers to make sure that Ferdinand is truly in love with Miranda and that if he loves her like he says he does, he will be able to not give into the urges of intimate passion before the night of their wedding day. Prospero