Which of the following was a tactic used by the US during the Vietnam War? spreading Agent Orange
disguising troops as the enemy
fighting guerrilla warfare
disguising troops as civilians

Spreading Agent Orange

Explanation:

Agent Orange was a herbicide used by the American military during the Vietnam War to eliminate forest and crops in Vietnam.  It was toxic used to kill unwanted vegetation and plants during the war. It includes the chemical dioxin, which proved to have caused health issues among the Vietnamese and servicemen (Americans) who served in the war.

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