the kind of society it created such as nepmen who got rich form it and the evils of capitalism such as crime, prostitution, corruption, gambling and alcoholism
1923 'scissors crisis' when grain prices were low and industrial prices too high
it gave too much power to the peasantry as if they stopped grain the bolsheviks would face bread riots
it wasn't communist enough as business owners were running factories for profits, private trade profited and peasants selling grain profited showing too much capitalism
lenin was worries that the new would cause a split in the party and if this happened the bolsheviks might loose their grip on power. so to prevent this he introduced a ban of factions at he tenth party congress 1921 and anyone who did forma a faction would be expelled from the party