the growth of the service economy in the 1990's caused A. an increase in American blue-collar jobs such as coal mining and steel making B. a decrease in new small businesses C. a new industry-based economy D. an increase in white-collar jobs, such as lawyers and teachers
"D. an increase in white-collar jobs, such as lawyers and teachers" is the proper response. This also led to the diminishing status of the middle class, which is made up of many blue collar workers.
