Which of these is an example of a "Black Code"? А. a state law passed in Mississippi in 1865 that required freed black men to have written evidence of employment or face imprisonment
B. the Thirteenth Amendment to the Constitution
С. a clause in the Fourteenth Amendment that guaranteeds qual protection under the law
D. an act passed in 1854 that stated that a vote would determine whether slavery would be allowed in the Kansas and Nebraska territories​