trench warfare chemical warfare
WW1 was Chemical Warfare (Mustered Gas); Nuclear Warfare wasn't invented until 1945, the end of WW2 (about 29 years later).
World War 1 introduced aerial warfare with airplanes and trench warfare
There was introduction of the atomic bomb, and mass production of tanks.
Trench warfare was one type, and one which was used more than it had been in any previous war (and maybe since then). Also, things such as gas attacks are classed as well as use of tanks to invade enemy territory and fighter planes.
trench warfare chemical warfare
WW1 was Chemical Warfare (Mustered Gas); Nuclear Warfare wasn't invented until 1945, the end of WW2 (about 29 years later).
World War 1 introduced aerial warfare with airplanes and trench warfare
Chemical warfare.
The French
Trench warfare was one of the new forms of warfare introduced during World War 1. Another new form of warfare was chemical warfare.
Chemical weapons (warfare)
World War I
they used trench warfare and used powerful machineguns
WW1 introduced submarine warfare, tanks, chemical warfare, and aerial combat. Man's history already knew battleship warfare from Tsushima in 1905; and massed land warfare consisting of infantry. WW2 REFINED submarine warfare, tanks, and aerial warfare; chemical warfare was outlawed by treaty.
Chemical warfare had a devastating impact in World War 1, causing widespread casualties and long-term health effects on soldiers and civilians. It led to the development of gas masks and other protective equipment, as well as the Geneva Protocol prohibiting the use of chemical and biological weapons in warfare.
Warfare in World War 2 are illegal and dangerous than warfare in World War 1.