Macbeth’s later actions of crime, was the progression of a crime that couldn’t have been turned back on because of its seriousness. Having killed the king Macbeth had to protect his interests by further crimes. These actions were a result of her initial idea which put him in that position.
Another point that supports the fact that Lady Macbeth played a large role in the crimes is her episodes of guilt. Once the first crime was executed she realised what a terrible thing had been done and her guilt ridden state of mind, in the end caused her own death.
The witches also could be blamed for the crimes of Macbeth as they originally tell him that he will become king. In their prophecies they talk to Macbeth “All hail Macbeth, hail to thee, Thane of Glamis. All hail Macbeth, hail to thee, Thane of Cawdor. All hail Macbeth that shalt be king hereafter.”(Act 1, scene 3.) Soon after this prediction, Malcolm reports to Macbeth that he is the new Thane of Glamis, as a result of the unexpected death of a current ruler. In Macbeth’s mind his expectation of becoming king is now raised because of the witches’ prophecies.
Duncan himself could have contributed to his own death by the announcement that his son Malcolm would succeed to the throne. This could have provoked Macbeth to the extent that he would kill Duncan so that no-one would find out that his son would be heir.
Macbeth’s gullibility and ambition is perhaps the most convincing factor which causes him to commit the crimes. When Macbeth finally carries out the murder of Duncan, he then gathers more courage to kill Banquo and Fleance. His ambition to be king is overpowering and he loses all sense of perspective.
When the witches told Macbeth the prophecy about his future and part came true, he immediately thought that the rest of the prediction would occur. Macbeth pondered the possibility which greatly appealed to him. Macbeth could be seen to be gullible however his ambition for the prophecy to be true was so strong and spurred on by Lady Macbeth that it is quite believable that he would become king.
Despite Lady Macbeth’s ruthlessness and planning of the crime and the witches’ evil intentions, Macbeth still physically committed the crimes. He continued to commit further crimes even though Lady Macbeth became distraught and lost confidence after Duncan’s killing. Macbeth on the contrary became stronger and more self assured in his actions.
Overall, it would appear that Lady Macbeth was the main person to blame for Macbeth’s crimes. Conversely, she lost power as a result of guilt and Macbeth took over their ambition of ruling. Even though Macbeth physically committed the crimes, Lady Macbeth was the mastermind of the plot. This really made them equally to blame for the crimes.
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