Which event led Russia to withdraw from World War I and surrender a significant amount of territory to Germany?

Answer 1

The event that led Russia to withdraw from World War I and surrender a significant amount of territory to Germany was the signing of the Treaty of Brest-Litovsk in March 1918. This treaty was signed between Russia and the Central Powers (Germany, Austria-Hungary, Ottoman Empire, and Bulgaria), and it resulted in Russia's exit from the war. Under the terms of the treaty, Russia lost large territories in Eastern Europe, including Finland, Estonia, Latvia, Lithuania, Ukraine, and Belarus.