John D Rockefeller would be the answer you're looking for :)
<span>The value of stock on the New York Stock Exchange fell by a fifth from its peak in 1929
</span><span>Businesses closed their doors, factories shut down
</span><span>The banks failed and most Americans lost their savings and investment
A quarter of Americans were unemployed</span>
It was sort of like a catalyst for the industrial revolution. That, in turn, allowed Americans to make things at a more efficient rate.
Answer:
B. Other psychologists, who believed Piaget's fourth stage did not adequately describe adult thought.
Post formal thought deals with the suitable way to accept moral and intellectual differences in order to make certain changes which will be beneficial for the collective group concerned. Technology and Management usually requires the post formal thought approach.