<prompt> Qedela umusho olandelayo: Lapho kugqashuka iMpi Yombango, uBrooks wamiswa njengenhloko yebutho lamavolontiya ngo-September 1861. Wayephethe i-2nd Brigade, 2nd Division of the IV Corps eMkhankasweni wePeninsula, kanye ne-2nd Brigade, 2nd Division of the VI Corps eMpini Yezinsuku Eziyisikhombisa, lapho alimala khona eMpini Yezwe Yesibili.  <response>: Impi Yesiteshi SikaSavage. Elulame, waphinde wathatha umyalo webrigade yakhe yeMaryland Campaign futhi wahola amadoda akhe eCramptons Gap, lapho athatha khona ifulegi lempi le-Confederate elalingelasi-16th Virginia Infantry. Empini yase-Antietam, i-brigade kaBrooks yayisendaweni yokugcina, yize yayingaphansi komlilo oqhubekayo wezikhali zombili kanye nabacibishelayo amahora angama-48. 