Song

1.Chinese dynasty that united the entire country until 1127 and the southern portion until 1279, during which time northern China was controlled by the Juchen tribes 2.Their military was a failure also, such as the nothern half of the Song territory was conqured by Barbarians, which forced the dynasty to abandon its capitol in the early 1100's. 3.After the Song Dynasty abandoned it capital, 150 years later the Monguls invaded and occupied China during the Song reign. 4.The Song Dynasty let Kublia Kuan into China and this began his reign in China. 5.There was a lot of abstract things with the Song Dynasty and they had a lot of problems. 6.The Song Dynasty didn't rule over all of China.
 * Failures of the Song Dynasty:**

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