<prompt> Qedela umusho olandelayo:  <response>: Impi yaseDrewrys Bluff yenzeka ngoMeyi 15, 1862. Ngemva kokushaywa ngamabhomu okukhulu, imikhumbi ye-Union Navy yashiya, futhi iRichmond yayiphephile ekuhlaselweni ngamanzi. 