The third underlying cause was the American Revolution.
The French had incurred an enormous debt by helping the Americans.
In order to justify this assertion, I will examine the evidence from three angles in respective chapters.
The first chapter will consider the nature of Enlightenment musical aesthetics, its foundations in Classical conceptions of music, and its path to the Revolution.
The third estate lost about half their income in taxes.
They paid feudal dues, royal taxes, and also owed the corvee, a form of tax paid with work (Krieger 484).
Another immediate cause was the locking of the third estate out of its meeting hall.
Abby Sieyes suggested that the third estate become the National Assembly.
The immediate causes of the revolution were the rising price of bread and the locking of the third estate out of its meeting hall.
Finally, the spark was the ordering of the Swiss guards to Paris by Louis the XVI.