Which vulnerability occurs if a Roman fort's curtain wall integrates a gate lacking well-supported flanking towers?

💡 Explanation

A gate without flanking towers increases vulnerability because the reduced crossfire provides an attacker Concentration of Force at the opening itself; therefore, a breakthrough becomes FAR more likely, rather than height reduction or stone degradation elsewhere.

• Which agricultural outcome resulted from slash-and-burn practices used to cultivate maize during the early Mayan civilization?
• Which fundamental effect resulted from Alhazen's improved lens grinding?
• Which risk increases when an astrolabe's alidade angle calculation employs inaccurate trigonometric identities, common before rigorous algebraic proofs?
• Which outcome occurs when heavy rainfall saturates poorly compacted fill within a pre-Columbian agricultural terrace system?
• Which outcome reduces estimation time during triangulation when Euclidean transformations are simplified with Al-Khwarizmi's algebraic techniques during celestial positioning using planar astrolabes?
• Which material property of Song Dynasty crossbow trigger mechanisms was improved via quenching?