<prompt> Bhala okuqhubekayo kwalesi sigaba - UMann wachitha ubusika obulandelayo ehhovisi lokuqasha ibutho laseChicago Union Army; abathunywa babethunyelwa ukuyokwakha amabutho e-39th. Ngo-1864, i-regiment yabelwa kabusha e-Army of the James ngaphansi kukaColonel Thomas O. Osborn. UMann wathatha imisebenzi ka-Osborn ngemva kokuba elimele eMpini yaseDrewrys Bluff  <response>: . futhi. I-39th yahlasela isikhundla sokuzivikela se-Confederate futhi yathumba umkhuzi wamasosha. Ngenxa yezenzo zakhe, uMann ngokwakhe wakhushulelwa esikhundleni sokuba ujenene webutho. 