Final answer:
Vladimir Lenin leads the communist revolution and creates dictatorship by concentrating power in a small, centralized leadership.
Step-by-step explanation:
The answer to your question is A) Vladimir Lenin - power. Vladimir Lenin was a key figure in leading the communist revolution in Russia. He created the concept of the "vanguard party", a group of dedicated revolutionaries who would lead the workers and peasants in a massive uprising. Lenin believed that a strong, centralized leadership was necessary for the success of the revolution and the new regime.