It is just to say that they are feeling the financial pain of the recent disaster . First National Bank of Nevada , based in Reno , Nevada , and First Heritage Bank of Newport Beach , Calif. , were both shut down by federal regulators recently . Which countries have the safest banks in the world ?
Why may the banks have been shut down ?
Pick the best answer from the following options:
- Due to the fact they were in Reno and Newport Beach .
 - Due to financial pain .
 - Due to the country having safe banks .
 - Due to a disaster .


Due to a disaster .