During the Civil War, a man gained national recognition by repeatedly auctioning off a plain sack of flour. By doing so, he raised $250,000 which aided wounded soldiers.
During the American Civil War, Gatling Gun salesmen went directly to battlefield in order to demonstrate the products in actual combat
The Armored Leviathans of the Civil War -Ironclad warship the modern tank’s forgotten deadly ancestor
Interesting facts about Pinkerton- National Detective Agency & Lincoln’s personal security during the Civil War