Enlightenment principles called for freedom of thoughts,individualism, liberty, skepticism and reason,especially skepticism to traditional religious views.
The period after the ww1 broke out, saw an increased wave of revolutions,across the century, agitating for freedom and liberty, as well as the fall of collectivization or communism to the rise of capitalism, and increased secularization of society. enlightenment thoughts were therefore highly successful.
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To bring together like minded individuals to share ideas<span />
As the first peaceful transition of political power between opposing parties in U.S. history, however, the election of 1800 had far-reaching significance. Jefferson appreciated the momentous change and his inaugural address called for reconciliation by declaring that, "We are all Republicans, we are all Federalists."
For more info http://www.ushistory.org/us/20a.asp
<span>The
mechanism establishing natural price by Adam Smith connects with effective
demand and free competition. If you cut the supply of goods, the demand for
them is higher. Because of this, there competition between buyers. Afraid not
get the right product, they agree to buy it at a higher cost. The market price
will rise. When supply and demand are roughly equal, the market value
corresponds to approximately natural.</span>
I can't really answer your question (as I don't really know enough about 18th century France), but I just want to clear up an (understandable) misconception about Feudalism in your question.
The French revolution was adamant and explicit in its abolition of 'feudalism'. However, the 'feudalism' it was talking about had nothing at all to do with medieval 'feudalism' (which, of course, never existed). What the revolutionaries had in mind, in my own understanding of it, was the legally privileged position of the aristocracy/2nd estate. This type of 'feudalism' was a creation of early modern lawyers and, as a result, is better seen as a product of the early-modern monarchical nation-state, than as a precursor to it. It has nothing to do with the pre-nation-state medieval period, or with the Crusades.
Eighteenth-century buffs, feel free to chip in if I've misrepresented anything, as this is mostly coming from my readings about the historiographical development of feudalism, not any revolutionary France expertise, so I may well have misinterpreted things.
