annexation of Karakhoja
... that after the Tang annexation of Karakhoja , the equal-field system mandatory in all Chinese prefectures was implemented in the former kingdom?
... that after the <a class="mw-redirect" href="./Tang_Dynasty" id="mwBbs" rel="mw:WikiLink" title="Tang Dynasty">Tang</a> <b id="mwBbw"><a href="./Tang_campaign_against_Karakhoja" id="mwBb0" rel="mw:WikiLink" title="Tang campaign against Karakhoja">annexation of Karakhoja</a></b> <i id="mwBb4">(Karakhoja ruins pictured)</i>, the <a href="./Equal-field_system" id="mwBb8" rel="mw:WikiLink" title="Equal-field system">equal-field system</a> mandatory in all Chinese prefectures was implemented in the former kingdom?