How did the production method detailed above impact the quality of life within the United States?
A.
It enabled mass production, which required factories to hire highly paid skilled workers.
B.
It led to the loosening of government regulations and the weakening of labor unions' abilities to organize.
C.
It led to a consolidation of companies and the development of a monopoly in the automobile industry.
D.
It allowed for mass production, which made cars cheaper and transportation easier for consumers.