The Holocaust. (Heres some filler text because answers need to be at least 20 characters long for some reason)
Answer:
Both establish check and balances on the people?
Explanation:
Weapons in WW1 were being mass produced and of a greater quality than those of wars before. Barbed wire, airplanes, poisonous gas, submarines etc were introduced which revolutionized war today. Trench warfare was countered and is no longer used to fight.
Answer:
Like they were non-important, animals, treated badly.
Explanation:
Usually when you hear the phrase, Treated like an animal, it means treated irrationally or improperly.
Hope this helps!!!