How does sieyes define the nation, and why does he believe that the third estate constitutes the nation?

Sieyes defined the nation as a body of associates living under a common and is represented by the same legislature. He believes that the Third Estate constitutes a nation because the nobles are just outside of the nation, leaving everyone else in the nation under them and is treated awfully.

Sieyes defined a nation as a body of associates living under common law and represented by the same legislature. He argued that a third state constitutes a nation because the nobles are outside the nation, leaving everyone else in the nation under them and treated awfully.