Conflict with the Song China Ögedei Khan

in series of razzias 1235 1245, mongols commanded Ögedei s sons penetrated deep song dynasty , reached chengdu, xiangyang , yangtze river. not succeed in completing conquest due climate , number of song troops, , Ögedei s son khochu died in process. in 1240, Ögedei s other son khuden dispatched subsidiary expedition tibet. situation between 2 nations worsened when song officers murdered Ögedei s envoys headed selmus.

the mongol expansion throughout asian continent under leadership of Ögedei helped bring political stability , re-establish silk road, primary trading route between east , west.