Analysis of information sources in references of the Wikipedia article "غزو المغول لسلالة سونغ الصينية" in Arabic language version.
For his part Kublai dedicated himself totally to the task, but it was still to be the Mongol's toughest war. The Song Chinese showed themselves to be the most resilient of foes. Southern China was not only densely populated and full of strongly walled cities. It was also a land of mountain ranges and wide fast-flowing rivers
Unquestionably in the Chinese the Mongols encountered more stubborn opposition and better defense than any of their other opponents in Europe and Asia had shown. They needed every military artifice known at that time, for they had to fight in terrain that was difficult for their horses, in regions infested with diseases fatal to large numbers of their forces, and in boats to which they were not accustomed.
{{استشهاد ويب}}: صيانة الاستشهاد: الأرشيف كعنوان (link)For his part Kublai dedicated himself totally to the task, but it was still to be the Mongol's toughest war. The Song Chinese showed themselves to be the most resilient of foes. Southern China was not only densely populated and full of strongly walled cities. It was also a land of mountain ranges and wide fast-flowing rivers
Unquestionably in the Chinese the Mongols encountered more stubborn opposition and better defense than any of their other opponents in Europe and Asia had shown. They needed every military artifice known at that time, for they had to fight in terrain that was difficult for their horses, in regions infested with diseases fatal to large numbers of their forces, and in boats to which they were not accustomed.
{{استشهاد ويب}}: صيانة الاستشهاد: الأرشيف كعنوان (link)