One reason that more people didn’t foresee the economic collapse of the 1930s was because "<span>A*Few people understood the risks involved with buying stock on loan."</span>
I believe the answer is the second one :)
It was "B. Philippe de Vitry" who was a Medieval composer and was also a politician and author famous for his writings on music theory, since at the time not many people knew the fundamentals of such theory.
Answer:
He built early textile mills and helped improve power looms.
Explanation:
FCL built the Lowell Mill - hence "mills".
Well....I would ASSUME that it's B. I'm just guessing here of course.