Which process limited the scalability of bronze casting in ancient Mesopotamia during large construction projects (e.g. ziggurats)?

💡 Explanation

When demand for bronze increased, logistical constraints on charcoal supply limited the scalability of bronze casting, because charcoal was essential as fuel source for high-temperature smelting. Therefore logistical restraints results, rather than metallurgical limitations, purification issues, or climate control challenges, which posed secondary difficulties.

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