Which constraint limited Byzantine silk dyeing capabilities, affecting product exports?

💡 Explanation

Alum, a mordant crucial for fixing dyes onto silk fibers, was regionally scarce; without enough Aluminium Potassium Sulfate in solution the fugitive dye mechanism caused colors to fade. Therefore import was required, rather than dyes staying reliably fixed.

• Which risk increases when a Viking longship encounters severe storms?
• During a medieval siege, which consequence arose when defenders wetted defensive sails lowered to protect castle walls?
• Which outcome resulted when the Chinese Ming Dynasty adopted black powder in bamboo-barreled rocket artillery (fire arrows)?
• Which control consequence results when significant rope elasticity existed in Viking longship rigging?
• Which environmental vulnerability increased for Mesopotamian ziggurats founded upon weakly consolidated alluvium?
• Which consequence resulted when Roman fortifications stretched too thin?