Could the French Revolution have been prevented? why or why not? if so at what point?

In theory yes, it could've been avoided, if the monarchy was willing to give up some power, but in reality no, it couldn't, because the idea of a constitutional monarchy couldn't possibly survive in a deeply absolutist world.

frederick the great and the war of austrian succession. frederick william of brandenburg-prussia trained his son, frederick, to be a hardy soldier. he also declared himself king of bohemia, and maria theresa sent troops to retake bohemia. in august he led 80,000 of these men across the frontier into bohemia, his