What happened that led to the French Storming the Bastille and starting a revolution?

The Third Estate had recently made demands of the king and had demanded that the commoners have more of a say in government. They were worried that he was preparing the French army for an attack. In order to arm themselves, they first took over the Hotel des Invalides in Paris where they were able to get muskets.

Explanation:

the answer is b. hope this !

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