How did the united states ensure that materials needed at the front were produced?

it further strained relations between the north and the south and convinced

some american cities felt workers were being oppressed by business monopolies

they had many gains 1 one freedom for slaves the major cause of the civil war is that the   north wanted freedom for slaves but the south didn; t creaitng the civil war

another gain they have is poltiical influence

poltiical influence is a big thing everywhere even now peoplle are always trying to get the head up in poltics thats what they did by giving the republicians a good name for freeing slaves