Macbeth

1. Political factors

1.1. Catered to the beliefs of the reigning monarch, King James I

1.2. The divine right of kings

1.3. The notion that to usurp the throne is a nefarious crime against humaity

2. Cultural factors

2.1. Fate, fortune and free will

2.2. Regicide

3. Religious factors

3.1. Conflicts caused by religion

3.1.1. Protestant vs Catholic

3.2. Will of God

4. Social factors

4.1. Greed for power

4.2. Ambition that stops at nothing

4.3. The notion that the use of violence to gain power is difficult to stop, once started