Which of the following explains how the Russian Revolution affected Russia's involvement in the war? (1 point)
A. • The Germans advanced into Russia and took control of Petrograd and Lithuania.
B. • The Russian people were dissatisfied with the war, which led to peace negotiations.
C. • The new Russian government encouraged the Russians to fight back against the Germans.
D. • The Bolsheviks had a hard time unifying the country because they supported the war.