 With little prospect of help from afar arriving , infighting broke out in the Song court between the officials who supported the Jin offer and those who opposed it . Opponents of the treaty like Li Gang ( 李剛 ; 1083 – 1140 ) rallied around the proposal of remaining in defensive positions until reinforcements arrived and Jurchen supplies ran out . They botched an ambush against the Jin that was carried out at night , and were replaced by officials who supported peace negotiations . The failed attack pushed Qinzong into meeting the Jurchen demands , and his officials convinced him to go through with the deal . The Song recognized Jin control over the three prefectures . The Jurchen army ended the siege in March after 33 days . 
 With little prospect of help from afar arriving , infighting broke out in the Song court between the officials <a href='null_relcl' title='1'><mark>who</mark></a>supported the Jin offer and those <a href='null_relcl' title='2'><mark>who</mark></a>opposed it . Opponents of the treaty like Li Gang ( 李剛 ; 1083 – 1140 ) rallied around the proposal of remaining in defensive positions until reinforcements arrived and Jurchen supplies ran out . They botched an ambush against the Jin <a href='null_relcl' title='3'><mark>that</mark></a>was carried out at night , and <a href='uninflect' title='4'><mark>were</mark></a> replaced by officials <a href='null_relcl' title='5'><mark>who</mark></a>supported peace negotiations . The failed attack pushed Qinzong into meeting the Jurchen demands , and his officials convinced him to go through with the deal . The Song recognized Jin control over the three prefectures . The Jurchen army ended the siege in March after 33 days . 
With little prospect of help from afar arriving , infighting broke out in da Song court between the officials supported the Jin offer and those opposed it . Opponents of the treaty like Li Gang ( 李剛 ; 1083 – 1140 ) rallied around the proposal of remaining in defensive positions untill reinforcements arrived and Jurchen supplies ran out . They botched an ambush against tdaJin was carried outt at night , and was replaced by officials supported peace negotiations . The failed attack pushed Qinzong into meeting thdaurchen demands , and his officials convinced him to go thru witt the deal . The Song recognized Jin control over the three prefectures . The Jurchen army ended thedaege in March after 33 days .