Answer:
A. Bolshevik and Menshevik
Explanation:
A. Bolshevik and Menshevik were the two main factions associated with the revolution of 1905- others such as the "Whites" and "Black Hundreds" wouldn't exist until 1917
B. Stalin wouldn't be the leader of a revolutionary group because he was on Lenin's side until Lenin's eventual death where Stalin would become the dictator of Russia (USSR)
C. Fascism wouldn't be a thing until the 1930s
D. Blue and Red weren't factions (as far as I know)
