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is war fought with chemicals. The development of chemical weapons and defenses against these weapons are usually considered together in military training. These weapons can be designed to kill large numbers of people, disable them for a while, or destroy their fo ....

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.... which cause big blisters on your skin. A blister agent called mustard gas caused a lot of deaths on both sides during World War I. Some other chemical agents can cause temporary blindness or mental confusion. But people still can defend themselves against all of these chemical agents. For example, gas masks, other protective coverings for the body, and injections of antidotes are used as defenses against chemical agents. Chemical agents also have nonmilitary uses. For example, riot control agents, including tear gas, can be used to control rioting crowds. These agents just affect the eyes, nose, and throat. They can cause blinding tears and a lot ....