The first Revolution in Russia was followed so soon by a second one.

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…collapse of the romanov dynasty was one of the most leaderless, spontaneous, anonymous revolutions of all time". Anyway, the Provisional Government was too weak to cope with the burden of problems Nicolas the second had left: War, peasants hungry for land, national minorities hungry for independence and a deteriorating economic situation. It did not even have a real military force, and in October 1917, it was like an open door for the well-organised and powerful Bolsheviks.