What feature of the us industry grow quickly in the country after the civil war?

The railroads, during the civil war the north had a good amount of railroads and so did the south mainly used for reinforcements but they were also a good way to transport goods

The railroads, during the civil war the north had a good amount of railroads and so did the south mainly used for reinforcements but they were also a good way to transport goods. Hope this helps. :-)

true it is correctet because im a   god boi

porter is writing economic history because he is focusing on the cost of developing vaccines.