A riot control agent is a non-lethal chemical used to disperse a riot. It can rapidly produce sensory irritation or disabling physical effects which disappear following termination of exposure. Examples include tear gases such as CS gas and CN gas as well as pepper spray.
... allied himself with the Ottomans in 1542. In 1543 Charles allied himself with Henry VIII and forced Francis to sign the Truce of Crepy[?]. Charles later signed ...