Which of the following promoted de jure segregation in the 19th and 20th centuries?

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; which categories of people are most at risk of becoming a criminals;

answer; (regions)

answer; develops policy;