Chemical weapons and the machine gun
The war was the deadliest in history up to that point
Mustard Gas Machine Guns Barbed Wire Mines All these were the reasons WWI was such a disaster
The First World War was the first real deadly battle, millions of men died. It was the first war with weapons such as machine guns, tanks and gas.
M16
There can be no doubt that the most deadliest weapon of world war 2 was the nuclear bombs that dropped on Hiroshima.
The new weapons of world war one were machine guns,Tanks,poison gas, and planes og WW1
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Tanks
New weapons, such as machine guns, artillery, and chemical weapons, played a crucial role in making World War I the deadliest conflict in European history. These advancements allowed for unprecedented lethality and efficiency in combat, leading to staggering casualties. The static nature of trench warfare further exacerbated the situation, as soldiers were often exposed to relentless barrages with little chance of survival. The combination of modern technology and outdated tactics resulted in a devastating loss of life on an unprecedented scale.
American Civil War
Because the old weapons become to common and considered to be to predictable
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