“grocers, motormen, plumbers, seamstresses, and . . waiters were in the market . . [the] market had become a national mania.” –frederick lewis allen read the quote and then answer the question below. during the economic boom of the people from all walks of life often invested in the stock market, this excerpt indicates. a. mid 1900s c. 1920s b. early 1920s d. 1930s