Because of all the bombings in WW1, many soldiers were injured terribly, this made the need for medicine extremely important. They made a lot of improvements in surgery like: Blood transfusions, Facial deconstruction, Artificial limbs and Amputations.
they help
Soilders from WW1
help your self
ww1 ww2
It would help significantly if we knew who "they" were.
they worked in idustries
can American forces help the Ail es win the woe
I suggest you read the Wikipedia article on "Magnetohydrodynamics", to get an overview on this topic.
Trick question, it never did.
If you have an illness medicine can help cure it
Some woman fight. Some are nurses and help the soilders with their injuries.
they had a golden age and made alot of progres in qonquest