Answer:
They might not wanted to get punished
Explanation:
A part of this power struggle was the opposition between power structures of the Soviet Union and the RSFSR. ... On 12 July 1990, Yeltsin resigned from the CPSU in a dramatic speech before party members at the 28th Congress of the Communist Party of the Soviet Union, some of whom responded by shouting "Shame!"
The correct answer among all the other choices is C. Advancements in travel and communication allowed this change. This is the statement that does not describe the 20th Amendment. Thank you for posting you question. I hope this answer helped you. Let me know if you need more help.