What caused many banks to fail during the early years of the Great Depression? O Layoff of bank employees
O A combination of unpaid loans, bad debts, and mass withdrawals
Adoption of high federal income tax rates during the 1920s
O Business and corporation closings

A combination of unpaid loans, bad debts, and mass withdrawals

Explanation:

Deflation increased the real burden of debt and left many firms and households with too little income to repay their loans. Bankruptcies and defaults increased, which caused thousands of banks to fail. In each year from 1930 to 1933, more than 1,000 U.S. banks closed.

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b) almost one million irish people died during the potato famine.