Answer:
Mississippi likely made illegal to promote racial equality because of Anti-miscegenation laws mainly.
Step-by-step explanation:
Anti-miscegenation laws were adopted by many southern states in the United States as they did not agree with the idea of sharing the same rights and privileges with the ones that used to be their servants, this states considered that the multiracial relationships should be forbidden since they wanted to keep the same difference of level between white and black people.