Contemporary theories of stress have been used to inform the definition of work-related stress. There is a growing consensus around the definition of stress as a negative psychological state with cognitive and emotional components, and its effect on the health of both the individual and the organisation.
Late 1986, but didn't go into full effect until 1987. Chrysler bought the jeep from what was then AMC American Motors Corporation. They did continue to use AMC parts until the stock was depleted. AMC was purchased by Chrysler in 1987, the first year of the YJ (square headlight) Wrangler.
In 1986, Toro acquired the Wheel Horse Products Division of American Motors (AMC). Wheel Horse manufactured a wide range of lawn and garden tractors, as well as riding lawn mowers. The division was spun off from AMC so that the automaker could maintain focus on vehicles.