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Summary

Key Questions and Answers

Summary Key Questions and Answers

8) Why does Macbeth believe he needs to kill King Duncan?

Macbeth believes he needs to kill King Duncan because he sees the king’s son, Malcolm, as a threat to the throne. Macbeth has already felt confused about whether he needs to leave the Witches’ prophecy in the hands of fate or do some “dark” deeds to help their prophecies along. However, when Macbeth hears Duncan declare his intention to make Malcolm his heir, Macbeth becomes convinced he needs to take matters into his own hands and kill King Duncan himself.