What factors allowed the Bolsheviks party to come to power and keep Eyu in their hands?

The Bolsheviks party helped come to power an explanatory work among the population. They offered to people what they wanted to get, the reforms of Bolsheviks supported all the simple population (workers, peasants, artisans). They managed to eliminate landowners, which the peasants demanded, nationalizing the entire land. They also introduced an 8-hour working day that they needed workers. The Bolsheviks party was able to combine the population, to recognize the right to self-determination for those nations that they want.