▁hom eland . ▁After ▁Ari q ▁B ö ke ' s ▁death , ▁the ▁struggle ▁was ▁continued ▁by ▁Ka id u , ▁a ▁grand son ▁of ▁Og ede i ▁Khan ▁and ▁lord ▁N ay an . ▁ ▁By ▁elimin ating ▁the ▁Song ▁dynast y , ▁Kub la i ▁Khan ▁completed ▁the ▁con quest ▁of ▁China . ▁The ▁fle ets ▁of ▁the ▁Y uan ▁dynast y ▁attempted ▁to ▁in va de ▁Japan ▁in ▁ 1 2 7 4 ▁and ▁ 1 2 8 1 , ▁but ▁both ▁invasion ▁failed , ▁and ▁a ▁large ▁number ▁of ▁their ▁ships ▁were ▁destroyed ▁in ▁sea ▁storm s ▁named ▁kam ik az es ▁( div ine ▁wind ) ▁on ▁both ▁occasions . ▁The ▁ordinary ▁people ▁experienced ▁hard ships ▁during ▁the ▁Y uan ▁dynast y . ▁Hence , ▁Mong ol ▁war riors ▁re bel led ▁against ▁Kub la i ▁in ▁ 1 2 8 9 . ▁Kub la i ▁Khan ▁died ▁in ▁ 1 2 9 4 ▁and ▁was ▁succeeded ▁by ▁Tem ür ▁Khan , ▁who ▁continued ▁the ▁fight ▁against ▁Ka id u , ▁which ▁last ed ▁until ▁Ka id u ' s ▁death ▁in ▁ 1 3 0 1 . ▁Ay ur bar w ada ▁Bu y ant u ▁Khan ▁came ▁to ▁power ▁in ▁ 1 3 1 2 . ▁The ▁civil ▁service ▁exam ination ▁system ▁was ▁instit uted ▁for ▁the ▁Y uan ▁dynast y ▁in ▁ 1 3 1 3 . ▁ ▁A ▁re bell ion ▁called ▁the ▁Red ▁Tur ban ▁Reb ell ion ▁began ▁in ▁China ▁in