#encirclement__blockade  a war measure that isolates some area of importance to the enemy
  supertype:  military_action__action  a military engagement; "he saw action in Korea"
  subtype:  naval_blockade__navalblockade  the interdiction of a nation's lines of communication at sea by the use of naval power
  subtype:  siege__besieging__beleaguering__military_blockade  the action of an armed force that surrounds a fortified place and isolates it while continuing to attack
     instance:  battle_of_Atlanta__Atlanta  Bataan__Corregidor  Dien_Bien_Phu  Lucknow  siege_of_Orleans__Orleans  Petersburg_Campaign__Petersburg  Plevna__Pleven  siege_of_Syracuse__Syracuse  siege_of_Syracuse.siege__siegeofsyracuse__Syracuse  siege_of_Vicksburg__Vicksburg  Yorktown

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