+A **Defensive Wall** is a structure erected to safeguard a settlement or area from external threats. These barriers, often integrated into larger [Fortification](/wiki/fortification) systems, provided crucial protection and defined territorial limits. From ancient perimeters to the imposing walls of a [Keep](/wiki/keep), they stand as enduring symbols of security and defense.
+## See also
+- [City Wall](/wiki/city_wall)
+- [Moat](/wiki/moat)
+- [Siege](/wiki/siege)
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