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.
From the start of American involvement in World War II, Roosevelt took the lead in establishing a grand alliance among all countries fighting the Axis powers. He met with Churchill in a number of wartime conferences at which differences were settled amicably.