Injustice – Aristotle believed that when a segment of the people feels a sense of injustice, revolution is likely to occur in that society. A severe unequal distribution of resources, wealth and power create tension and frustration among the deceived people which leads to aggression.
Gap between expectation and achievement – when people observes their government is weak and is unable to meet their demands which were promised by the government before election, the people will try to overthrow the government through revolution.