It ended the period that was known as salutary neglect period. This was a period in which the British crown did not enforce its parliamentary decisions on the colonies, and in return the colonies were obedient. When the two acts were passed, the began getting enforced and people disliked this.
A) excessive speculation and buying on margin
The Enlightenment was an era where people started realizing that they had (human) rights, realized that the monarchy + aristrocrats/ rich ppl in general shouldn't do whatever they wanted to do (like kill a bunch of ppl for saying smth against the Crown's beliefs), realized that they are capable of believing and doing something more than just living as a peasant.
The French had really sucky monarchs (like King Louis the Thirteenth), and frankly, they were sick of living in famine and poverty, so it was kinda like being in the right place and at the right time-- they overthrew their monarchy, now aware that they had these rights (inspired by the Enlightenment). "Liberté, Égalité, Fraternité" was the slogan. Liberty, Equality, Brotherhood = everything the monarchy wasn't.