Communism was Karl Marxs stated political ideology seventy-five years

A. was implemented in Russia with Vladimir Lenin’s October Revolution, and he discussed his theories in his “Communist Manifesto”, which proclaimed that proletarians will eventually rise to power through a class struggle
-> wrong
-> "he" can refer to Lenin & Marx (who discussed what?) = ambiguous

B. implemented in Russia with Vladimir Lenin’s October Revolution, and discussed his theories in his “Communist Manifesto,” which proclaimed that proletarians will eventually rise to power through a class struggle
-> wrong
-> before the political movement known as Leninism implemented [...] = wrong -> Passive Voice needed

C. was implemented in Russia with Vladimir Lenin’s October Revolution; Marx discussed his theories in his “Communist Manifesto,” which proclaimed that proletarians would eventually rise to power through a class struggle
-> Ambiguity (pronoun and antecedent) of the original version is corrected
-> Verb tense error is corrected (was implemented)
-> Correct

D. implemented in Russia with Vladimir Lenin’s October Revolution; Marx discussed his theories in his “Communist Manifesto”, proclaiming that proletarians would eventually rise to power through a class struggle
-> wrong
-> before the political movement known as Leninism implemented [...] = wrong -> Passive Voice needed

E. was implemented in Russia with Vladimir Lenin’s October Revolution; he discussed his theories in his “Communist Manifesto”, proclaiming that proletarians will eventually rise to power through a class struggle
-> wrong
-> "he" can refer to Lenin & Marx (who discussed what? = ambiguous


-> C is correct