Assertion: tear gas | /r/HasProperty | banned on the battlefield
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text: A political scientist then told us that part of the reason why tear gas is banned on the battlefield is because soldiers in the field don't have the ability to readily distinguish if a gas being used is tear gas or something more lethal.
text: Speaking of war, tear gas was banned on the battlefield via the Chemical Weapons Convention of 1993, which was spurred by Iraq’s use of chemical weapons in Iran in the 1980s.