Which constitutional amendment directly resulted from the civil war?

The 13th amendment:

Passed by Congress on January 31, 1865, and ratified on December 6, 1865, the 13th amendment abolished slavery in the United States and provides that "Neither slavery nor involuntary servitude, except as a punishment for crime whereof the party shall have been duly convicted, shall exist within the United States, or any place subject to their jurisdiction.

becasue in the south they disallowed slavery but in the north slavery was illegial this boilled into because mexico wanted slavery

wisdom

explanation:

the fact that that the teachings on the cosmic order comes from, or through, the heart center