<prompt> Bhala okuqhubekayo kwalesi sigaba - iZhongdu yaba inhloko-dolobha yaseJin iminyaka engaphezu kwengu-60, kwaze kwaba yilapho amaMongol ehlasela  <response>: ngo-1214. AmaMongol, isizwe esiyizihambi esivela eMongolian Plateau naseningizimu yeSiberia, ayesize amaJurchen empini ayilwa namaKhitan, kodwa awazange anikezwe isinxephezelo ayesithenjiswe. Ngo - 1211, amaMongol ayeholwa uGenghis Khan aphindisela kumaJin ngokuhlasela enyakatho yeChina. Ngo-1213, wayeselawule ingxenye enkulu yendawo yaseJin enyakatho yoMfula ophuzi ngaphandle kwenhloko-dolobha iZhongdu. NgoMashi 1214, wamisa indlunkulu emaphethelweni asenyakatho eZhongdu futhi nomfowabo uHasar namadodana akhe amathathu amadala, uJochi, uChagatai no-Ögedei, baqala ukuvimbezela idolobha. Nakuba inkantolo yaseJin yayibuthaka ngenxa yokuvukela kwesigodlo, idolobha lalivikelwe izingqimba ezintathu zemisele nemibhoshongo engu - 900. Lapho kugqashuka isifo phakathi kwamaMongol, uGenghis Khan wathumela isithunywa esingumSulumane uJafar emzini ukuba siyokuxoxisana, futhi inkantolo yaseJin yavuma ukwenza isivumelwano sokuthula ngokunikela ngendawo nokwamukela isimo sokuba ngaphansi kwayo. Phakathi kwezimfuneko zikaGenghis Khan kwakuwushada nendodakazi yenkosi yamaJurchen. INdlovukazi yaseQicheng, indodakazi kaWanyan Yongji, yakhethwa ukuba ibe isikhulu samaMongol. Wathunyelwa ekamu lamaMongol kanye nabalindi abangu-100, izinceku zesilisa nezesifazane ezingu-500, izindwangu ezingu-3 000 namahhashi angu-3 000. INdlovukazi yaseQicheng yaba ngomunye wabafazi abane abakhulu bakaGenghis Khan, owasusa ukuvinjezelwa futhi washiya enyakatho yeJuyong Pass. 