<prompt> Bhala okuqhubekayo kwalesi sigaba - Ngemva kokunqotshwa kweSouth Pole nguRoald Amundsen ngoDecember 1911, uShackleton, owayezifunele yena lokhu, waphoqeleka ukuba acabangisise kabusha ngezifiso zakhe zokunqoba iNingizimu. Wayekholelwa ukuthi kwakusasele umgomo owodwa omkhulu ohamba phambili ohambweni lwase-Antarctic - ukuwela izwekazi laseNingizimu Pole usuka olwandle uye kolunye. Esebenzisa amasu akhe ayesungulwe ngaphambili umhloli wamazwe waseScotland uWilliam Spiers Bruce, uShackleton wahlela ukuba iqembu lakhe elikhulu lifike eningizimu ngangokunokwenzeka, ogwini loLwandle iWeddell. Iqembu lakhe elaliwela amazwekazi lalibe selihamba liye eningizimu lilibangise eNyakatho, ngaphambi kokuba liqhubeke liwele ithafa elisezindaweni eziphakeme futhi lehle ngeBeardmore Glacier uShackleton ayithole ngo-1909  <response>: kuya e-Great Ice Barrier. Ingxenye yokugcina yayiyowadlulisela ngaphesheya kweBarrier eMcMurdo Sound ogwini loLwandle iRoss. 