What Happened to the White-Collar Middle Class in the United

Multiple Choice

What happened to the white-collar middle class in the United States from 1900 to 1920?

A) It more than doubled in size and grew at over twice the rate than the work force as a whole during the same period.
B) Its size remained about the same, but its influence declined dramatically in proportion to the rest of the population.
C) It disappeared because the changing nature of the American economy required mainly blue-collar workers.
D) Although it was growing dramatically, it was not growing as fast as the work force as a whole.
E) It turned away from national professional organizations and exercised its influence locally.