How did the battle of verdun and the battle of the somme symbolize modern war’s destructiveness?

It would be "both battle caused many deaths but...", because they were meat grinders: Somme ended with a total of more than a million casualties while Verdun finished with over half a million wounded/death, typical trench warfare where there are few significant changes of front lines.

C.) Both battles caused many deaths but achieved very little or no progress for either side.

Explanation:

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