How did World War I affect the Russian Revolution of 1917?
 A. The war produced high levels of nationalism and patriotism,
 leading to the establishment of a fascist government.
 B. The German conquest of Russia resulted in a surge of political
 protests based on Enlightenment ideas
 C. The Russian military became increasingly powerful, allowing it to
 take control of Russia's monarchy.
 D. The communists who overthrew Russia's government gained
 support by opposing Russia's participation in the war.