How were the black codes related to the passage of the 13th amendment?

A: after 13th amendment banned slavery, black codes were created to restrict the rights of African-Americans.

B: Southern land owners were exempt from being the 13th amendment as result of the black codes.

C: 13th amendment banned slavery, so African-Americans in the south were no longer affected by the black codes.

D: blackouts called for the end of slavery prior the passage of the 13th amendment.