The leading factor of the French Revolution was the Enlightment, which basically favored a society based on reason and logic rather than religious beliefs.
Well the third estate was being treated very poorly. France was in debt so they had to tax someone. Not the 2 richest ones, the first and second estate, why not the poorest estate which makes up 90-95% of France.#KingLouisMistakes
He taxed the third estate which was already suffering from poverty. The king also took away a lot of money to build Versailles