What were the two Chinese responses to the repeated invasions from the west and the north?

After their initial successes in northern China in 1211 to 15, the Mongols faced the . The central administration of Mongol China was largely the creation of Yelu.the Mongol court continued to move between these two residences Shangdu in. with the growing Sinicization of the court, repeatedly engaged in rebellions.

Explanation:

although world war i began in 1914, the united states did not join the war until 1917. the additional firepower, resources, and soldiers of the u.s. to tip the balance of the war in favor of the allies. remaining neutral. when war broke out in 1914, the united states had a policy of neutrality.