Contrary to Marx and Lenin, Josef Stalin Insisted on the Need

Contrary to Marx and Lenin, Josef Stalin insisted on the need

A) to create and consolidate "socialism in one country."
B) for a "vanguard party" to lead the revolution.
C) to begin the revolution in the countryside, not in the industrial cities.
D) to go through capitalism before attempting a socialist revolution.
E) for open debate and criticism within dialectical materialism.