Your comment is a bit historically illiterate with respect to World War I. All of the fighting was done by the Russian Empire, the Soviets by contrast immediate

Your comment is a bit historically illiterate with respect to World War I. All of the fighting was done by the Russian Empire, the Soviets by contrast immediately signed a disadvantageous peace treaty (https://en.wikipedia.org/wiki/Treaty_of_Brest-Litovsk https://en.wikipedia.org/wiki/Treaty_of_Brest-Litovsk).