Many Chinese people supported the nationalists because they believed the Manchos Dynasty has lost the Mandate of Heaven
Believe that it is an extension to the commandments
1, 1863, three years into the war. ... Now the war was about ending slavery, which led to the tide changing in favor of the Union under the leadership of Ulysses S. Grant. The Emancipation Proclamation didn't free all slaves, just those living in Confederate states. Hope that helped!!