Answer:
Communism eliminates class systems except for the political and military institutions, who typically do very well under communist regimes. Everyone else suffers as a consequence, economically and socially.
Well, it decreased the demand of Slave Labor.
Back then, the technology advancement , especially in agricultural sector, significantly increased the total production. This cause the demand of overall labor decreased. The northern US, who utilized more of this advancement more than their southern neighbor, manage to produce hundred times more output than the southern who still depended on their slave labor
Most of the time; less than always, but more than occasionally.
The primary way in which the passage of the Factory Acts (1844–1847) affected labor was that it restricted the working hours in factories to 10 hours a day, which cut back on worker injury and fatigue.
