The Great Depression was the worst economics crisis in the world during the industrialized period that lasted from the stock market crash 1929 to 1939. It caused essential variations in economic institutions, macroeconomic policy, and economic theory. Even though it originated in the United States but its consequences were suffered in almost the whole world caused drastic declines in output, plain unemployment, and critical deflation. This matches with the end of the Jazz era (option c), which was the period that in the U.S. that lasted from the Armistice of 1918 until the Great Depression. In this period, it was notable prosperity, open-minded or self-indulgent social behavior, prohibition and the connected rise in production and consumption of pirate liquor. The growth and diffusion of jazz and ragtime and associated ballroom dances was also a remarkable characteristic of this period.