From the diary of a Surgeon at Valley Forge
She was fearless, and crazier than him. she was his queen... and god help anyone who dared to disrespect his queen
Answer:
Gas
Machine Guns
Trenches
Explanation:
ww1 was all about using mustard gas and it was popularized before being banned after ww1 and ww1 was the first introduction to full auto machine guns similar to LMGs nowdays and trenches were created to prevent getting shot, gassed or sprayed down by enemies