There are several things that were first used in WW1 like submarines, machine guns and fighter planess. The first sub-machine gun was developed during WW1 but the war ended before in came in to service.
i have no ideas about past..... :(
Airplane's
new technology applied in the war.
there wasn't much sports going on in world war 2 because too many bombs were being dropped. (the blitz started it)
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.
Goodyear
Radar
Use Your Knowledge =)
Nukes
erageidk
Radar, jet engines and atomic bombs.