The United States does not consider defoliants to be chemical weapons; therefore, it does not consider the use of Agent Orange during the Vietnam War to be chemical warfare.

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The United States does not classify defoliants like Agent Orange, used to remove foliage and forest cover during the Vietnam War, as chemical weapons. Instead, these substances are categorized as herbicides or defoliants, and their use was aimed at denying cover to enemy forces, not directly causing harm through chemical warfare as defined by international conventions.

The United States Does Not Consider Defoliants to Be Chemical