<Dl> <Dd> Main article: Russian Civil War </Dd> </Dl> <Dd> Main article: Russian Civil War </Dd> <P> Prior to the revolution, the Bolshevik doctrine of democratic centralism argued that only a tightly knit and secretive organization could successfully overthrow the government; after the revolution, they argued that only such an organization could prevail against foreign and domestic enemies . Fighting the civil war would actually force the party to put these principles into practice . </P> <P> Arguing that the revolution needed not a mere parliamentary organization but a party of action which would function as a scientific body of direction, a vanguard of activists, and a central control organ, the Tenth Party Congress banned factions within the party, initially intending it only to be a temporary measure after the shock of the Kronstadt rebellion . It was also argued that the party should be an elite body of professional revolutionaries dedicating their lives to the cause and carrying out their decisions with iron discipline, thus moving toward putting loyal party activists in charge of new and old political institutions, army units, factories, hospitals, universities, and food suppliers . Against this backdrop, the nomenklatura system would evolve and become standard practice . </P>

Discuss any three major changes introduced in agriculture in the soviet union after 1918