All of these. King Louis XVI made the poor serfs pay expensive taxes while nobility and clergy got an easy break. He let them starve, and accumulated a massive debt funding the American Revolution and the construction of his palace.
The French celebrate that day because it commemorates the Storming of the Bastille on July 14, 1789. It was a turning point of the French Revolution. Also, Fete de Federation was held on July 14,1790. It was a way to celebrate the constitutional monarchy in France.
Hoped this helped!!
~Bob Ross™
In the period of industrialization, it was easier to harvest crops so supply went up and demand stayed the same causing prices to drop. The "newly" freed slaves also started farming, increasing the supply.