Answer: WWI: An explosion on the battlefield in France was heard in England.
WW1 journalists risked their lives to report on the war.
12 million letters were delivered to the frontline every week.
Plastic surgery was invented because of WW1.
The youngest British soldier in WW1 was just 12 years old.
WWII:The first German serviceman killed in the war was killed by the Japanese. ...
The first American serviceman killed was killed by the Russians. ...
Over 100,000 Allied bomber crewmen were killed over Europe. ...
More US servicemen died in the Air Corps that the Marine Corps.
Step-by-step explanation:
I loved learning about this stuff ngl