The conflict between Sumerians<span> and Elamites probably extended back to Neolithic ... The almost constant occurrence of war </span>among<span> the </span>city-states<span> of </span>Sumer<span> for two .... a situation that </span>led<span> to a relatively even development of weapons technology .</span>
North: Had a larger population, had a great industrial advantage, the north controlled the seas, the North had more troops to fight the war. the North had railroads, steamboats, roads, and canals for faster transport of supplies and troops.
South: The south was playing defense on their own territory, the South had better Generals who knew better how to fight, and the South could produce all the food it needed.
