 As Russia's involvement in the war continued anyway, soldiers began to establish their own revolutionary tribunals and began to execute officers en masse.After the October Revolution of 1917, Lenin's Bolsheviks called for unilateral armistice, but the other combatants refused, determined to fight until the bitter end.The Bolsheviks agreed a peace treaty with Imperial Germany, the Treaty of Brest-Litovsk, despite its harsh conditions.