What is a stressor? a. a stimulus that serves as a source of stress b. any event that generates a statistically uniform response among a general population c. a byproduct of stress d. a negative life event that causes physical illness or psychological disorder?

even though you have attached neither the chart nor the generalizations, i have located them online. the right answer is d, since they are asking you about a generalization. you can only infer from the chart that between 2008 and 2009 the number of employed workers decreased significantly (from over 115 millions to 107 millions approximately), which signals some type of economic crisis.  

answer; does not include a reference to the audience;