Answer:
A. It convinced people to work hard in order to be reborn in a higher caste.
Explanation:
The war would not be over by Christmas. But D-Day had opened another major front, where the bulk of America's rapidly expanding army could at last be brought to bear. It led to the liberation of France, denying Germany any further exploitation of that country's economic and manpower resources.
Opportunity cost is the value of the next best alternative forgone as a result of making a decision.
Yes there is some industries