 This stance was similar to what Shackleton had experienced with Captain Scott, prior to the "Nimrod" Expedition in 1907, when Scott had claimed priority in the McMurdo Sound area of the Ross Sea and demanded that Shackleton find another base.Shackleton then had reluctantly deferred to Scott only to be forced by circumstances, when in the Antarctic, to break his promise and establish his base within McMurdo Sound.Now, Shackleton was determined he would not yield, and informed the Royal Geographical Society