Answer :
Answer:
d. Hyperinflation can help a country get out of a deep depression.
Explanation:
Out of all the other options, the lesson that was not learned from the Great depression was that hyperinflation can help a country get out of deep depression. Hyperinflation cannot take economies out of depression, Instead, it quickly depreciates in value. A larger sum of money is required to purchase its limited number of products. All the other options can be termed as lessons that were learned as the result of Great depression.