Slavery was abolished on december 6, 1865, what process was used to abolish slavery?

The Thirteenth Amendment

Explanation:

"The Thirteenth Amendment (Amendment XIII) to the United States Constitution abolished slavery and involuntary servitude, except as punishment for a crime. In Congress, it was passed by the Senate on April 8, 1864, and by the House on January 31, 1865."

The thirteenth amendment

Explain : it was passed by the Senate on April 8, 1864, and by the House on January 31, 1865.

d! i hope u get it ! xddd