WWI was devastating because of the new technology in weaponry produced in the 2nd Industrial Revolution, and the Battle of the Somme became the bloodiest battle in Military History due to these new weapons.

https://www.history.com/topics/world-war-i/battle-of-the-sommehttps://www.history.com/news/10-things-you-may-not-know-about-the-battle-of-verdun

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