Answer:
CLIMAX-Macbeth's murder of Duncan in Act II represents the point of no return, after which Macbeth is forced to continue butchering his subjects to avoid the consequences of his crime. ... By that model, the climax of Macbeth is the fight between Macduff and the Scottish King.
Or in shorter words- climax Macbeth's murder of Duncan in Act 2 represents the point of no return, after which Macbeth is forced to continue butchering his subjects to avoid the consequences of his crime.
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