The hint's in the sentence :D Large amounts= Mass Production. Hope this helps!
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Answer:
D. OPEC actions
Explanation:
The downfall of the US oil industry in the 1980s was caused by a reduced demand for oil caused by the energy crises of the 70s and with this reduced demand, there became an oil glut, because the production was also increased.
Therefore, this downfall of the oil industry in America in the 1980s was caused by increase in oil prices by OPEC (Organisation of Petroleum Exporting Countries).
-helped end descrimination in federal employment in 1950
The Classical Period represented a consolidation of the basic elements of human civilization, thus overcoming our ancient nomadic lifestyle of hunting and gathering. The stablishment of ancient civilizations meant having the means to maintain a sedentary lifestlye, starting with agriculture and cattle raising. Then as cities grew more complex concepts became of everyday use, such as economy or religion.
The Classical Empires, such as Egypt, Mesopotamia, Persia, the Greek city-states, Carthage and Rome, expanded not only military power but economic growth, religion, language, the development of arts, technology and philosophy. These concepts started thousands of years ago, and became widespread because of the prosperity that sedentary lifestyle allowed in these empires, each one making its particular contribution to humanity.