Answer:
C. Chemical weapons.
Explanation:
TL:DR Chemical gas is a war crime due to the amount of suffering it causes. Mustard gas burns the skin, Phosgene is impossible to see, and Chlorine can make you drown in your own body.
Machine guns had been in use and invented since 1908, with invention of weapons such as the Vickers and German Maschinegewehr 08. Trench warfare wasn't a weapon, but more of a tactic. Mines weren't a war crime either as they most likely weren't deemed to cause "unneeded suffering" and their purpose usually was to simply discourage the travel of an area. Usually, if you stepped on a mine you'd die.
Meanwhile, Chemical gas was simply invented on accident as the German Empire's scientist,
Answer:
Correct answer is TRUE.
Explanation:
Well, it is hard to observe this statement as this two institutions didn't exist before WW1.
United Nations were established after WW2 with a goal to prevent conflict, which was a goal of League of Nations before them.
On the other side the Hague tribunal was created with this institutions with a goal to put in front of the court war criminals.
There was trails all across The U.S. There was also coming from the other side of the world. lolz. And also walking I guess.
