Which vulnerability arose in late Roman castra, when aqueduct repair timelines stalled?

💡 Explanation

Water source shift toward local wells introduces unmanaged bacteria, and therefore the *biofilm formation* contaminates drinking water, causing disease. Rather than barrack temperature increase or wall collapse, contaminated water weakens the garrison.

• Which consequence results from lost or damaged quipu during Inca bridge construction?
• In Song dynasty iron suspension bridges, which outcome resulted from wrought iron chain production exceeding its elastic limit?
• Which outcome arises when medieval astronomers apply al-Khwarizmi's algebra to geometrically imperfect astrolabes?
• Which limitation increases when a brass astrolabe undergoes significant use?
• Which outcome occurred when Byzantine envoys used lavish staged displays?
• Which consequence results when unsupported terraces saturate post-rainfall?