The witches are the ones who give Macbeth the prophecy that he will one day become king, that Banquo with father kings, and that Macbeth can not be killed by anyone born of woman. These set off Macbeth's entire journey in the play and motivate him to kill the king, kill Banquo, and ultimately lead to his downfall.
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the way the author would convey central idea of the article is by title by the gist(and some times the have a sumaray of text look at that to if there )
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