What social studies did stefan lofven study?

Stefan Löfven, now Prime Minister of Sweeden,  studied social work at Umeå University, but dropped out after a year and a half.

Then, he started a welding course and after Military service, he began his career as a welder and he started getting into unions and politics.

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.