b. Why did Russia leave the war in 1918?
As you have seen Russia mobilised more quickly than anticipated by the German Schlieffen Plan and it was able to launch an offensive into East Prussia. However, as the German army countered, the Russians suffered horrific losses - two entire armies - in the battles at Tannenburg and Masurian Lakes. After this, the Russians lost territory to the Germans and although it could muster victories against Austro-Hungarian forces,...