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- —Lenin, citing the main features of capitalism in the age of imperialism in Imperialism: the Highest Stage of Capitalism. (en)
- — Lenin, explaining the increasingly dictatorial nature of the regime. (en)
- —Nikolay Inozemtsev, a Soviet foreign policy analyst, referring to series of events would lead to the ultimate victory of socialism. (en)
- —Lenin, claiming that people had only two choices; a choice between two different, but distinct class dictatorships. (en)
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