Answer:
I think it's called the reddest of the red because there are many horrible things happen in the war and many person was killed in the rebellion against Bolshevik rules. Heroes just named them like that, I just think it's because of the bloody war
Starvation was the number one cause of death on the trail of tears.
The Church was granted the power to elect and invest bishops, but the emperor could invest them with fiefs.