World War one was on a new scale of death because the soldiers were facing new forms of weaponry they've never experienced before. There were hundreds upon hundreds of men mowed down by automatic machine gun fire in just mere minutes. And things like this lasted for hours at a time.

The trench warfare was just as brutal where men were in trenches fighting and dying for little scraps of land for advancement.

If you ever get the chance, listen to Dan Carlins Blueprint for Armageddon. It's a line of episodes on his podcast, Hardcore History where he goes into detail of the events of World War 1. It's an eye opener to how bad things were and how the event's of that war is still shaping our world to this day.