What roles do conspiracy theories serve in society?

Conspiracy theories have played an important role in human history. During times of international war politicians and military leaders on both sides of a conflict will suspect that their opponents are engaged in several conspiracies. They will thus scrutinize their enemies’ actions and rhetoric carefully.

Explanation: hope this helps

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.