What event immediately preceded russia’s decision to withdraw from world war i?

the overthrow of the Tsar

Explanation:

The event that preceded Russia's decision to withdraw from the First World War was the overthrow of the Tsar. Large numbers of war casualties and frequent food shortages in major urban centers led to civil unrest known as the February Revolution, resulting in the death of Emperor (Tsar) Nicholas II. The Brest-Litovsk Treaty was a peace treaty signed between Russia's new Bolshevik government and the central powers (the German Empire, Austria-Hungary, Bulgaria and the Ottoman Empire) on March 3, 1918, ending Russia's involvement in the world. War I