Which constraint limited early Mesopotamian bronze metallurgy, making superior weaponry intermittently scarce?

💡 Explanation

Limited tin deposits lead to unreliable transport of cassiterite (tin ore) via trade routes causing intermittent bronze scarcity, a limitation of *supply chain disruption*, because cassiterite sources were geographically disparate; therefore complete armies could not be outfitted with bronze weaponry, rather than consistently suffering inferior alloy ratios.

• Which limitation arises when using a brass astrolabe in marine navigation within equatorial regions versus higher lattitudes?
• Which optical outcome critically limited the accuracy of early astrolabes using pinhole sights?
• Which mechanism ensured ancient Roman roads resisted deformation under heavy use?
• Which observational error increases when early astrolabes use narrower alidades?
• Which outcome arises with decreased supply when a stepped Mughal garden aqueduct utilizes a specific flow mechanism?
• Which outcome occurred increasingly in Mughal monuments when subsurface water-table levels dramatically rose near 'pietra dura'?