That would be the textile industry
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.
The Enlightenment thinkers changed peoples' beliefs of how government should work by talking of separation of powers and checks and balances.
Teach us so we can become intellectually intelligent
Well, it decreased the demand of Slave Labor.
Back then, the technology advancement , especially in agricultural sector, significantly increased the total production. This cause the demand of overall labor decreased. The northern US, who utilized more of this advancement more than their southern neighbor, manage to produce hundred times more output than the southern who still depended on their slave labor