which statement best describes the bolshevik revolution?

If this is what I think it is then it's

B) It began a civil war in Russia.

Explanation:

it looks like its all of the above. [.wpal1kojopfdpojfrfionrnif.knfdsnksjosjo]

explanation:

you have to combine all of your answers together to

.wpal1kojopfdpojfrfionrnif.knfdsnksjosjo

answer; u.s senate;