What factors lead Macbeth to kill Duncan?

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What factors lead Macbeth to kill Duncan?

There are a number of factors to be considered in determining what factors lead Macbeth to kill Duncan. The main four that I am going to look at in this essay are the Witches, Lady Macbeth, Duncan and Macbeth himself.

The witches are portrayed as evil by their very presence in the play they would have been perceived thus. In Shakespeare's day witches were feared and hated and so audiences would be naturally apprehensive of their appearance on stage. It is easy to assume that Shakespeare wanted them to appear like that. So therefore I think Shakespeare would have intended that they play quite a large part in Macbeth's decision to kill Duncan.

However, this does not seem to be completely right but your point of view depends on whether you think the witches are evil or not.

They do not actually say or even suggest the possibility of murder to Macbeth - they just say he will be king. The idea of murder comes from within Macbeth himself as soon as the witches say he will be king - it could be said they open him up to the possibilities of what lies within his own heart - whether that is good or evil. If the oxymoron "Fair is foul and foul is fair" is considered then maybe they liked the action.

This line could be viewed in another way though, in that if the witches knew what would happen and simply wanted to cause trouble and chaos which they enjoy. If you do not believe that the witches are evil - if they are simply extra characters, almost playing the role of narrators, then Macbeth would have become King anyway and they were simply telling him his future - they had no influence on the murder.
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The second idea seems less convincing to me because as I said their very presence is intended to be evil. However, there are some points that could support this view - the witches do not appear to be real. They are almost blurry - you do not see the full picture. They do not conform to ordinary structures of space and time - as soon as they have said their piece they vanish like a dream, leaving Macbeth bewildered. They are found on the outskirts of society - they are on the heath, a desolate space where nature ...

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