Why was Russia’s exit in world war 1 considered a turning point?

By 1917, participation in World War I had resulted in disaster for the tsar's armies and government. ... German authorities saw the upheaval in Russia as a chance to end the war in the east. They knew that Russian Communists known as Bolsheviks had long opposed the war and were eager to make peace.

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to generate donations

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i also think he is correct. i believe they came to washington to protest their rights.