Slavery was formally abolished by? *
The 14th Amendment to the US Constitution
O The 15th Amendment to the US Constitution
The 13th Amendment to the US Constitution
The 19th Amendment to the US Constitution

Respuesta :

Answer: 13th Amendment

Passed by Congress on January 31, 1865, and ratified on December 6, 1865, the 13th amendment abolished slavery in the United States.

Source: National Archives