The "October Revolution" .
While Germany was fighting in France and Belgium Russia mobilised quickly and sent her troops towards Germany.
Britain & Russia (USSR) were fighting Germany; China was fighting Japan.
The greatest impact it had was it removed Russia from the fighting. Germany had been fighting Russia in the east while fighting France and the UK in the west. By eliminating Russia, Germany could concentrate her armies against France and the UK.
It helped Germany by allowing it to transfer its troops to the western front because Russia stopped fighting
Germany declared war on Russia
Germany declared war on Russia
Lenin did not have to cross battle lines. He was allowed through Germany and travelled on to Russia by way of Finland, where there was no fighting at the time.
Germany's plan for fighting a two front war against France and Russia during WWI was called the Schlieffen Plan. This plan allowed Germany to invade neutral areas.
they gain independents
The question should be, "What would have happened if the Germans stayed loyal with Russia?" The answer to that question is left to far better historians. But Germany invaded Russia; Russia didn't just break off and decide to be buddies with the Allies.
United States Germany Japan England Russia
During World War 2 they fought for 5 years.