People were pulling money out of banks because they feared that if the bank failed, then they would lose their money; it created a huge crisis in 1933.

人们纷纷从银行提取现金,因为他们担心,万一银行破产,他们就会血本无归,这种情况导致了1933年经济危机

耶鲁公开课 - 金融市场课程节选