Respuesta :
Southern states passed laws after 1800 to discourage manumission because southern whites feared that freed blacks would seek revenge for past treatment as slaves.
What was manumission passed during 1800's ?
Manumission takes place when masters free their slaves voluntarily. This government abolished slavery from it's roots completely. It is a formal process by which a slave owner can give his slaves their legal freedom. During the period of American slavery from the 1600 to 1865, it was one of the main avenues available for a slave to obtain his or her freedom.
Therefore, last option is the correct answer.
To learn more about Manumission, refer here :
https://brainly.com/question/26807290
#SPJ2