Essay Topic for academic class

It has recently come to light that several major American banks, including Silicon Valley Bank and Signature Bank, have collapsed, and Cready Swisse is reportedly at risk of bankruptcy. This comes after the Federal Reserve (the central bank of America) implemented an increase in the interest, which appears to have had a significant impact on these institutions.
Before going into the core of the problem, let’s go back to think business models of banks?
Discuss the impact of interest rate hikes on the business models of banks. Explain the role of banks as financial intermediaries and the ways in which they generate revenue. Using ideas you have come up with earlier, illustrate how Silicon Valley Bank and Signature Bank got into trouble and explain how interest rate changes can affect those banks and lead to collapse or bankruptcy.