Outproducing enemy = as important as outfighting them
The more industrialised North had a tremendous advantage
Much of the fighting was about key Railway (Chattanooga)
BATTLE 1 st Bull Run the North were slow and the South brought in reinforcements by rail
The North produced 94% iron, 90% of boots, 6x the factories, 10 x productive capacity
Sometimes a lack of training could minimise the impact of the tech e.g. at Gettysburg 18,000 muskets gathered after the battle had been accidently double loaded.