Frederick Taylor, at east thats what it says on quizlet. Hope this helps...
The correct answer is option D. "Companies replaced hand-operated brakes with air brakes on trains". The development of air brakes on trains was a significant improvement of railroad safety. Air brakes function much more faster than hand-operated brakes, because hand-operated brakes required that the brakemen turned the brakes in one car and jump to the next to set the brakes on, and so on.
Answer:
banking practices that put the entire financial system at risk
Explanation:
What caused the crash of the real estate market in 2008 can be traced to "banking practices that put the entire financial system at risk."
This is evident in the fact that many Lenders were observed to be less stringent in their approach in lending credit to borrowers, including those that are not fit to acquire the credits.
This led to increasing housing prices to a degree that many could not really have the money for.
It was characterized a totalitarian dictatorship
