Civil War (1861–1865) – Industrial-age warfare begins
Minié Balls – Greater range and accuracy than smoothbore muskets.
Railroads – Used to move troops and supplies quickly.
Telegraph – Allowed real-time communication between distant commanders.
Ironclad Warships – Armored steamships like the USS Monitor and CSS Virginia.
Balloons for Aerial Reconnaissance – Early use of air observation.
Submarines – The Confederate Hunley was the first to sink a ship, albeit rudimentary.
Medical Advancements -