Airplanes probably ended trench warfare because they could fly over enemy camps, fire down on them, and gather information about troop arrangements.
Source: My social studies teacher (a little) and my inference...
The machine gun changed warfare
mustard gasthe tanktrench warfare. (although begun in the American Civil War)
well it can kill just about anything that is alive you know. that's why people hat it when one falls on them ^_^
If you mean used it in an act of warfare, as opposed to a test, the only country to do so has been the USA (Hiroshima and Nagasaki, 1945)
The use of chemical weapons during the first World War ; see relevant link below .
The nuclear bomb was not used in trench warfare.
The machine gun caused trench warfare to be a necessity as 90%+ of the casualties of WW1 were from this weapon. The use of Napoleonic tactics against new technologies was disastrous.
The exploding shell.
The development and the introduction of the tankupon the battlefield .
yes, The use of tank warfare reduced the use of trench warfare
The warfare in WW1 included new tactics and weapons such as; flamethrowers which were bursts of fire machine guns that killed millions, and replaced rifles barbed wire to block off trenches poison gas was used to choke the enemy
I think its machine gun ... Ugh yeh think so im only 14..
Especially during World War I, but also relevant during other historical conflicts, trench warfare may be described as "ineffective" because of its inability to secure final victory. As a defensive weapon, it has proven outstanding in its career. And yet, on its own, it can only prevent defeat, not lead to the acquisition of land that is typically required for ultimate military success.
sunglasses, hat, trench coat, wig, badge, weapon.
Yes, it was used in medieval warfare along with caltraps and stakes.
The machine gun changed warfare
Cannon