[Avodah] Machlokes in Mishnayos, why?

[Lisa Liel via Avodah]

On 9/10/2017 1:11 PM, Marty Bluke via Avodah wrote:
>> By "in existence," the Rambam means when it functioned properly. R'
>> Yitzchak Isaac HaLevy in his work, Doros HaRishonim develops the sources
>> that there were periods of persecution during which the Beis Din Gadol
>> could not operate normally, including the time when Beis Shammai and
>> Beis Hillel were unable to unite.

> The the second Beis Hamikdash lasted 420 years. Was there no time during
> those years that the Sanhedrin functioned normally? While there may have
> been disruptions there were certainly times when it did function and if so,
> why didn't they decide all of the machlokes that had arisen like the Rambam
> says?

There was only one machloket during the time of the Zugot. And in the
time after that, no there was never a time when the Sanhedrin was able
to function normally.

Lisa