Machiavelli believes that <span>the princes can use and should use violence in order to survive or to achieve their aims as rulers, especially when there is a problem in the country ot connected with the country. In such situations the princes should keep the people in fear, so no one would want to attack them or take their power. Otherwise, by providing housing and women, he should keep the peace in the country, In this sense is contradictory how he advises the princes to be more liberal. </span>
1- Critical thinking
2- Gathering of new ideas
3- Questioning the established power
4- Economic crisis
5- Social crisis
Any society that has intellectual production develops critical thinking in pursuit of its own growth. And also in what keeps political forces alert to maintain power or to make a change. In the exchange of ideas, new proposals are generated that promote the change of paradigm. These question the established power as well as society when it is overwhelmed by an economic crisis. Which often leads to riots and social crisis.
French Revolution:
With absolutism in decline economic hardships caused frequent revolts. They take more and more force the ideas of the Enlightenment go against the absolute power and the participation of the clergy in the questions of State. Among the thinkers of the revolution are Locke, Rousseau, Montesquieu and Voltaire.
President Andrew Jackson ignored the Court's decision in Worcester v. Georgia