Describe the management principle of Frederick W Taylor.​

Explanation:

Taylor's philosophy focused on the belief that making people work as hard as they could was not as efficient as optimizing the way the work was done. In 1909, Taylor published "The Principles of Scientific Management." In this, he proposed that by optimizing and simplifying jobs, productivity would increase.

i am not in high school so i don’t know

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.