The substance is tear gas • Where and when was this substance developed/discovered? If this happened more than once, where/when?
• What was it developed for? Was it intended as a weapon from the start?
• Who developed it? (Could be a person, a company, or something else)
• When/where was it first used?
• What does it do to the human body?
• What is the technical difference between a 'riot agent' and a 'chemical weapon?
• The 1993 Chemical Weapons Convention bans, among other things, making, keeping or developing chemical
weapons, encouraging others to do so, and use or preparation for use in warfare. Do you think these rules cover
everything in order to keep people from using chemical warfare against one another? Why or why not?