Answer: 1.Credit boom. In the 1920s, there was a rapid growth in bank credit and loans in the US. Irrational exuberance. 2.Earning per share rose from 20 (1923) to a peak of 100 (1929). 3.Irrational exuberance. Earning per share rose from 20 (1923) to a peak of 100 (1929). 4.Agricultural recession. 5.Weaknesses in the banking system. 6.Role of monetary policy.
Explanation:
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Because they are not perfect and act like humans.
