Watch this lecture, where John Merriman discusses the causes of the Russian Revolution of October 1917. He begins by talking about the failure of the Tsarist regime of Nicholas II (1868–1918) and focuses on how the Bolsheviks gained political control in the Russian Revolution (1917–1923).
Source: John Merriman, https://youtu.be/9j0WbcQmh-g
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