What was one consequence of the implementation of Black Codes across the South immediately following the Civil War? Choose 1

A. Congress passed the Thirteenth Amendment, which outlawed the institution of slavery

B. Congress passed the Fourteenth Amendment, which guaranteed African Americans citizenship and equal protection under the law

C. White supremacists formed the Ku Klux Klan in order to protest Black Codes, which enumerated the broadly increased rights and privileges that African Americans would enjoy after the Civil War