By David A. Carrino
The Cleveland Civil War Roundtable
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Editor’s note: This article was originally published in The Charger in February 2026.
The Civil War is often called the first modern war because many advances in technology and in military practices had their first widespread use during the Civil War. This is articulated nicely and succinctly in an article on the website of the Chicago Historical Society: “The Civil War demonstrated for the first time how industrial technology had transformed the nature of warfare.” After the Civil War, wars and the methodology of waging war would never be the same as before, a fact that European nations cruelly learned in World War I. Rifled muskets, ironclad warships, the use of railroads to transport troops and supplies, faster and better medical treatment of the wounded, the use of the telegraph to enhance the speed of communication, surveillance balloons, and trench warfare all experienced their first widespread wartime use in the Civil War. Moreover, the practice of total war came to prominence during the Civil War, which also saw the first sinking of an enemy warship by a submarine. The Union war effort was even aided by the mass production of horseshoes with a machine that could make a horseshoe per second.
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