Mine, in warfare, an explosive charge used as a weapon on land and at sea. It is a defensive weapon used to obstruct or delay enemy movements. On land, mines can complicate major troop and armor advances and inflict casualties on patrols and raiding parties. At sea, mines can be used to block the way to and from harbors and seas. They can also be used to harass shipping in any narrow body of water.
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The Vietnam War occurred decades ago, but one of its legacies lingers on in Vietnamese soil and the U.S. court system. How did this defoliant do so much damage?