Occupational stress rudimentary mental coping strategies may be adopted in the work environment. Occupational stress Occupational stress is stress related to one's job. Occupational stress often stems from unexpected responsibilities and pressures that do not align with a person's knowledge, skills, or expectations, inhibiting one's ability to cope. Occupational stress can increase when workers do not feel supported by supervisors or colleagues, or feel as if they have little control over work processes. Because stress results from the complex interactions between a large system of interrelated variables, there are several psychological theories and models that address occupational stress. Person-environment fit model: This
Combat stress reaction almost twice as long as their American counterparts because the British had better rotation schedules and because they, unlike the Americans, "fight for survival" – for the British soldiers, the threat from the Axis powers was much more real, given Britain's proximity to mainland Europe, and the fact that Germany was concurrently conducting air raids and bombarding British industrial cities. Like the Americans, British doctors believed that letters from home often needlessly damaged soldiers' morale. The Canadian Army recognized combat stress reaction as "Battle Exhaustion" during the Second World War and classified it as a separate type of combat wound.