World War I is often pushed under the rug by discussion over World War II. However, it was certainly still violent! What was the most deadly excursion during World War I?

Answer Hundred Days Offensive

Do not underestimate the damage done in WWI as compared to WWII. New weapon and machine technology made WWI an extremely bloody battle. Those techonologies include: poison gas, the machine gun, tanks, tacticle air support.

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