To What Extent is Macbeth pushed into killing king Duncan? Numerous people and factors push Macbeth into killing the king. The main factors are:  Lady Macbeth  The Witches and Fate  King Duncan  Banquo  Himself (Macbeth) I start with probably the most influential character upon Macbeth, his wife, Lady Macbeth. Lady Macbeth believes what the witches have said and therefore believes that she will become the queen. ‘Have I thought good to deliver thee’ She obviously …showed first 75 words of 635 total…

…showed last 75 words of 635 total…which suggests that he has either made up his mind or that the witches are pressurising him to do it. After this Macbeth leaves to do the deed. ‘I go, and it is done.’ Macbeths murder of Duncan is caused by him being pushed by numerous figures. People putting great pressure upon him in the way of Naivety, selfishness and ambition caused him to use other peoples pressure than use more of his own thinking.