How did the russian revolution impact world war i?
a.
the russians required the allied powers to come to their aid to defeat the radical groups

The Russian Revolution had the effect of putting an end to the major arena of fighting on the Eastern Front in World War I. It temporarily helped the Germans by freeing up troops, but this advantage did not do the Germans much good. ... Throughout WWI, the Germans were fighting a two-front war.

the answer would be a)henry grady because he came up with the term "new south"