When it comes to periodization, the high unemployment during the 1930’s is the best example of a turning point
Answer: Option C
Explanation:
Periodization is usually defined as categorizing a part of influential history under a time period. This is usually done to understand history in an efficient and effective manner and by doing so it becomes more convenient to study history.
In this case, the high unemployment during the 1930's was later defined as the great depression period. It is branded and it becomes intense that it is nearly impossible to change it. The great depression continues to be an area of study if one wants to understand economic crash or unemployment.