Automatic weapons, new tactics, airplanes, tanks, trenches, chemical weaponry.
Tanks were introduced, among several chemical weapons such as chlorine and mustard gas.
Nukes
The technology was new and experimental.
radar
The 3 key technology the Axis used during World War 2 are:TanksGunsBombs
Radar......they say Germany had it but failed to use it and see its importance.
i have no ideas about past..... :(
Every country that participated in WW1 used technology.
no the atom bomb was used in world war 2 the did not have the technology yet
Airplane's
new technology applied in the war.
Technology during World War II opened up an entirely new door into what the enemy was doing in areas in which they were once hidden. New pesticides, nuclear technology, and jet engines made the fight faster than it had been in the first World War.
I think that was the trench warfare stuff, not sure though.