In archaeology, the term "correlated age" means: the age of an artifact in relation to other objects.
<span>The labor movement knew of the need to protect the common interest of workers. those in the industrial sector, organized labor unions fought for better wages, reasonable hours and safer working conditions</span>
Letter A is wrong because, despite also being a left group, the Mensheviks were moderate.
Spontaneous overthrow is not something that socialists and communists generally believe in and certainly, Lenin didn't, so it isn't B.
Suffrage would also not give Lenin what he wanted since it hadn't done it so far, so it isn't D.
The answer is:
C) by creating an elite socialist ruling the party to lead a revolution