+**National Defense** refers to the security measures a nation takes to protect its [Sovereignty](/wiki/sovereignty) and citizens from external [Threats](/wiki/threats). It encompasses a range of actions, from military readiness to strategic diplomacy, aimed at preserving peace and stability within its borders.
+## See also
+- [Military](/wiki/military)
+- [Security](/wiki/security)
+- [Diplomacy](/wiki/diplomacy)
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