The use of biological weapons during military operations has been documented: Bbl6epure oAnH OTBeT: a. in Libya b. in China during the second world war c. in the Falkland Islands d. in Vietnam e. in Afghanistan

The correct answer is d. in Vietnam.<br /><br />The use of biological weapons during military operations has been documented in Vietnam. During the Vietnam War, the United States military is believed to have used biological agents, including the herbicide Agent Orange, which contained dioxin, a toxic chemical that can cause serious health problems. The use of these chemicals had a devastating impact on the Vietnamese population and environment.