How did machines change workers’ lives? a they required more expertise and skill.
b they decreased the pace of work.
c they increased the number of workers needed.
d they divided labor into many small tasks.

nothing certain is known about what happened, but it seems that the country declined gradually, perhaps due to bad government, or, more likely, due to a series of bad harvests, which resulted in widespread and recurrent famine.

b) the confederacy had to pay all union war expenses.