How did the russian revolution impact world war 1

The Russian Revolution contributed to the departure of Russia from the Entente bloc. This exit weakened the Entente block and influenced the US entry into the war.

Explanation:

The year 1917 was decisive in the context of the First World War. In that year, Russia withdrew from the battle front, since its army was obsolete and its economy was ruined. It was this year also that the Bolshevik revolutionaries made their communist revolution in Russia, a crucial fact for the European political effervescence of the following decades. It was also in 1917 that the United States entered the war alongside England and France and against Germany, which no longer had the same force as the beginning of the war. Since, after the end of the First War in 1918, the United States became the great power outside the European continent.

the answer is b. i did this test and got it right.

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