Final answer:
The U.S. during the Great Depression of the 1930's experienced deflation.
Step-by-step explanation:
The correct answer is B. The U.S. during the Great Depression of the 1930's was marked by deflation. Deflation is a decrease in the general price level of goods and services, leading to an increase in the purchasing power of money. During the Great Depression, the U.S. experienced a severe economic downturn, leading to a decrease in prices.
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