France's general assembly, composed of the three social classes, was the
estates general
general assembly
congress
king's court

France's general assembly, composed of the three social classes, was the Estates General.  

Explanation:

In France of the Old Regime, the Assembly of Estates General, or simply Estates General, was an advisory and legislative assembly of the three social classes (estates) of the country: the clergy, the nobility and the commoners.

The Estates-General were only convened when it was wanted by the king, usually to confirm the royal authority.

the us constitution is a living document, meaning that it can be changed over time as the country changes.