One type of weapon that was not used in World War I was the atomic bomb. The technology was generated during World War II.
Atomic bombs, missiles, choppers, jet aircraft, and assault rifles
This is a bit too broad a question to answer. The list would be enormous because it could include everything from slings and arrows to jets.
Some of the weapons and defense's not used were; jet aircraft, missile's, radar (was invented by the British at the begging of WWII), Lazar guided weapons, helicopters...
The tank.
Nuclear weapons
how did the government finance world war one
combat planes and tanks, mainly used to storm through trenches and destroy large structures. These made it easy to decease enemy casualties during WWI.
Tear Gas and Mustard Gas
Sonar was not introduced in World War 1.
Longbow, I think
Yes, Income tax was introduced to Canada during World War 1. It was introduced to help pay for the costs of everything needed for the war.
The tank.
The atomic bomb was the first nuclear weapon ever made during World war two and it was the first weapon that have been tested before Hiroshima was under attack.
me me
the tank
The nuclear bomb.
Nuclear weapons
Nuclear weapons
Nuclear weapons
Nuclear weapons