 
 <prompt> Wetin be the purpose of bank? Based on di question wey dey above, write small tori wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: In central banking, the special status wey the central bank get na say e fit print as much money wey e feel like. For United States Federal Reserve Bank, the Federal Reserve dey buy assets: usually, bonds wey the Federal government issue. Dem no get limit on top the bonds wey dem fit buy and one of the tools wey dem fit use for financial crisis na to take extraordinary measures like buying plenty assets like commercial paper. The aim of these operations na to make sure say enough money dey available for the financial system to work well. 