What happened in Russia in 1917 that led the United States to justify its involvement in World War I as a fight for democracy?
ARussia signed a military defense treaty with France and Great Britain.
BRussia signed the Treaty of Brest-Litovsk and made peace with the Germans.
CRussian revolutionaries overthrew the Czar and established a provisional government.
DRussian Bolsheviks, under Vladimir Lenin's leadership, toppled the provisional government.
ARussia signed a military defense treaty with France and Great Britain.
BRussia signed the Treaty of Brest-Litovsk and made peace with the Germans.
CRussian revolutionaries overthrew the Czar and established a provisional government.
DRussian Bolsheviks, under Vladimir Lenin's leadership, toppled the provisional government.