Question

What happened in Russia in 1917 that led the United States to justify its involvement in World War I as a fight for democracy?

Answer 1

C.

Russian revolutionaries overthrew the Czar and established a provisional government.

Step-by-step explanation:

Answer 2

In 1917 Russia underwent a communist revolution, with the Soviet Revolutionaries overthrowing the Tsarist regime. This led the US to fear that communism would soon begin to spread.