Yes, it was. At the time, it bring great prosperity to the country If you want <span>to compare to the modern days, it was like the first landing in the moon.</span>
<span>different jobs for different workers</span>
This is true.
Quantitative management employs usage of statistics or, in modern times, using computer simulations in order to predict situations and outcomes. They did this kind of thing, statistical analysis, as they saw that British were successful with it and these kind of ideas eventually developed into quantitative management ideas.