When did the Jewish people establish the Sanhedrin?

Question

during the Assyrian exile
while the Jewish people in Judah lived under Persian hegemony
following the Roman’s conquest of Jerusalem
during the Babylonian exile

Answer 1

The Sanhedrin, the ancient Jewish court system, is traditionally associated with the period following the Babylonian exile. While its exact origins and formation date can be debated, it is generally believed to have been established during the time when the Jewish people returned to Judah and reestablished their communities under Persian rule. So, the most accurate option among those listed is:

while the Jewish people in Judah lived under Persian hegemony.