Your comparison of governmental proceedings of the corrupt and communist dictatorship of the USSR with modern Western democracies is amusing, wholly nonsensical, but amusing.
"The legal system of the Soviet Union was mostly a fiction".
The issue is you are too comfortable and used to living in a Western democracy while pining for fascist regimes, your world view is a little skewed now Lucky.
Those who were in power at that time to make the decision did. End of discussion Lucky. There was no problem quorum then, there was no problem with quorum for decades after because it was a mutually agreed decision by both parties.
Creating immaterial, inconsequential and illogical technicalities decades after the fact serves no other purpose but to justify Putin's mass murder of Ukrainians.
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with the proceedings of the USSR Supreme Soviet Presidium meeting indicate that both the Russian SFSR and the Ukrainian SSR had given their consent via their republic parliaments, although Kramer also said that the "legal system in the Soviet Union was mostly a fiction".[12]"
Transfer of Crimea in the Soviet Union - Wikipedia
Yanukovych abandoned the Ukrainian presidency and fled Ukraine. That was the only unconstitutional thing that happened in 2014. There was no coup Lucky, the Kremlin coup lie s purely fictional Kremlin propaganda aimed at giving those who support Putin's mass murder in Ukraine an easily repeatable slogan they can trot.
There was no coup.
The world’s most important economist according to some, senior UN Adviser…says it was a violent coup that overthrew the legitimate government in 2014, but Andy ( nobody) says “there was no coup”. LOL!
