Answer:
to show how the Grimms added details to make the story more vivid for readers.
Explanation:
The witches represent the evil in men. Their prophecies just activate what is already present in men's souls and hearts. For example, the witches tell Macbeth he will become king. This becomes true since <em>Macbeth </em>wants to believe in this prophesy and commits any crime to fullfil his dream. The power of the witches are limited because the nature of the human being make things happen, not the witches . Human nature puts limits on the witches' power.
Drama has to do with acting things out on a stage and poetry has to do with reading out loud and saying beautiful things to others