+**Border Walls** are constructed barriers along [National Borders](/wiki/national_borders) to regulate passage. These structures often aim to deter [Migration](/wiki/migration) and bolster security, though their long-term efficacy and humanitarian consequences are widely discussed.
+## See also
+- [Border Control](/wiki/border_control)
+- [Immigration](/wiki/immigration)
+- [Sovereignty](/wiki/sovereignty)
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