Yes, they did to talk about wounded soldiers and important things/
NO
No.
where is world war 1 come from?how many years a go in world war 1?what is world war 1?how many people dead in world war 1?who is win in world war 1?how many people live in world war 1?when the world war 1 start?how many helicopter they use?when thwe world war fished?
hat medication did they use in world war one?
For the army there was a form of mobile phones but they were more like walkie talkies then mobile phones. Plus they were very bulky.
Yes
world war 1
World War 1 saw the introduction of the tank and of aircraft.
i think why they use airplanes toprotect them
It chagend a lot.
NO! Radio was in use well before world war 1!!!!
Supplies of living conditions