When children attend school, they learn intended subject material. This is a manifest function of educational systems. Aside from subject material, they also learn lessons about how other people behave, form cliques, and
operate within a school context. This hidden curriculum is known as a(n)
a

try something like republic or democracy joined or something because its talking about a election party.

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.