Which famous product slogan was created for a military invention that was initially marketed as "The Equalizer" in 1860, fundamentally changing infantry tactics?

Throughout military history, certain products and innovations have dramatically altered the landscape of warfare. Some were developed specifically for combat, while others were civilian technologies adapted for military use. This trivia tests your knowledge about a revolutionary product that transformed battlefield tactics and strategy during a pivotal period in military history. Do you know your military product development history?

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

"Colt - The Great Equalizer" (Colt revolver)
"Winchester - The Gun That Won The West" (Winchester rifle)
"DuPont - Better Things for Better Living" (smokeless gunpowder)
"Krupp Steel - The Armor of Nations" (armored plating)