Which risk increases when attacking a medieval motte-and-bailey fortification lacking advanced masonry?

💡 Explanation

Sapping, or undermining fortress walls, becomes easier because the earthworks primarily use packed soil vulnerable to digging, not strong stone. Therefore, attackers preferred undermining methods, rather than primarily relying solely on ramming or direct fire, because fortifications resisted impact.

• Which consequence manifested when lunar distances proved impractical despite early sextant use at sea?
• Which constraint limited the accuracy of equatorial sundials used in medieval Islamic observatories?
• What advantage was directly gained by the Inca by aligning agricultural terraces parallel to the direction of prevailing winds?
• Which risk escalated atop Early Dynastic ziggurats of Mesopotamia when subjected to seasonal temperature variations?
• Which long-term weathering risk accelerates in the pietra dura inlay present on large Mughal-era structures?
• Which outcome limits the spread of Byzantine silk production secrets?