If the stock market were to crash and investors became increasingly nervous about the future of the economy’s financial stability, this could result in
a. a bank run
b. cash deposits
c. monetary exchange
d. a barter system

a. A bank run

Explanation:

A bank run may occur when people has no trust in the economy and try to take their money home, but the banks will not let them. That leads to a crisis and a lot of people can lose money.

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