4. The nineteenth and early twentieth century saw attempts, such as the Hague
Conventions, to put restrictions on warfare. What were some ways that these rules
were violated in the First World War?

- "the most famous structure by far at saqqara is djoser's step pyramid. dating from the 3rd dynasty (2667—2448 bc), it was the first all-stone complex ever built on earth."

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independent innovation during the abbasid caliphate