The third Estate formed the National Assembly because otherwise the first and second estates (nobles and the clergy) would charge the tax burden on them.
A national assembly is a unicameral legislature, the lower house of a bicameral legislature, or both houses of a bicameral legislature together in politics.
The National Assembly was crucial to the French Revolution. It represented the French common people (also known as the Third Estate) and requested that the king implement economic changes to ensure that the people had enough food to eat.
From June 14th until July 9th, 1789, the National Assembly was the first revolutionary government of the French Revolution. The National Assembly was formed in the aftermath of the Estates-General, which Louis XVI convened in 1789 to address France's approaching economic catastrophe.
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