Xiangzong then began a decade-long campaign against the Jin Empire, significantly weakening both empires.
Modern scholars of the Jin Empire feel that Shizong's efforts to maintain and revive Jurchen language and culture were not particularly efficacious.
The collapse of the Jin Empire quickly followed these revolts.
Shenzong took power after a coup d'état and continued Xiangzong's policy of invading Jin Empire.
He did not listen to those who advised peace with Jin Empire, and Western Xia sped up its decline.
Nurhaci would go on to create the Later Jin Empire which would now become an immediate threat.
Yanjing was more centrally located within the Jin Empire, and it was easier to supply it with food.
Xiangzong attacked the Jin Empire, destroying the years of peace between these two countries.
His son Ögedei Khan invaded the Jin Empire in 1232 with assistance from the Southern Song.
On the other hand, Jin Empire was not particularly good at naval warfare.