Are there any factors other than personal ambition that create the tragedy of 'Macbeth'? (This is my essay question but I don't know how to...

In order to structure your essay I would suggest
considering two other factors which, added to Macbeth's ambition, create the tragic
events of the play.

As well as Macbeth's ambition, we have
to realise that the desires of Lady Macbeth are instrumental in driving her husband
forward. She tells us in Act I scene V that Macbeth will need more than just his own
ambition to succeed-

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Thou wouldst be great;
Art not without
ambition, but without
The illness should attend
it.

Macbeth requires more
'evil' than he currently possesses, and Lady Macbeth is more than keen to supply
it-

 Hie thee
hither,
That I may pour my spirits in thine ear,
And chastise with
the valor of my tongue
All that impedes thee from the golden
round,

Lady Macbeth is
instrumental in driving her husband to kill to gain the
throne.

We also need to remember that the witches are
deliberately persuasive and their methods of engaging Macbeth are strong. He is told of
his ascendance to the Thane of Cawdor position by the witches, before the news of
Duncan's decision reaches him by messenger. It is presented to him as a natural
consequence that he will become king-

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Two truths are told,
As happy
prologues to the swelling act
Of the imperial
theme

As he is already Thane
of Glamis, and now Cawdor, he has faith that the third prophesy will also come true, and
he chooses not to heed Banquo's warning-

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oftentimes, to win us to our harm,

The instruments of darkness tell us truths,
Win us with honest
trifles, to betray's
In deepest
consequence—