Corruption of power and degenerating effects upon Macbeth. In the Shakespearean play Macbeth, Shakespeare is using the main character Macbeth to communicate the degenerating effects which corruption of power can have on a person. As the play advances, more and more evidence of Macbeth’s degenerating mind. Act 4 Scene 1. Act 4 Scene 1 is the … Continue reading INTERNAL PRACTICE MATERIAL