It is a passed law that restricts blacks from unpermittedly keeping houses.
Explanation:
Black code, in U.S. history, any of numerous laws enacted in the states of the former Confederacy after the American Civil War and intended to assure the continuance of white supremacy. Black Codes, sometimes called Black Laws, were laws governing the conduct of African Americans (free and freed blacks). In 1832, James Kent wrote that "in most of the United States, there is a distinction in respect to political privileges, between free white persons and free coloured persons of African blood; and in no part of the country do the latter, in point of fact, participate equally with the whites, in the exercise of civil and political rights.
after the civil war the south was thrown into chaos almost the whole of its industry relied on slavery so once it was taken away the south was very poor