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Eh, go look at footage out of Syria or parts of Africa--it's more a comment on the state of the civilizations going to war.

Maybe in the Western World.

Right now there are thousands of child soldiers around the world doing things much worse than digging trenches. There are also a number of armed conflicts that are currently ongoing (although they aren't anywhere near the scale of something like WWII).

I'm not so sure. I can remember the feeling I got when the news during the Iraq war showed a couple of kids laughing like it was a big joke and listening to Metallica as they shelled Fallujah. In the US 40% of active duty members are less than 25 according. Humans have a long history of getting their young ones to do their dirty work. http://www.militaryonesource.mil/12038/MOS/Reports/2011_Demo...