How did the Black Codes affect African Americans? ​

a. They restricted freedoms that had been granted by the 13th, 14th, and 15th amendments.
b. They supported the freedoms granted by the 13th, 14th, and 15th amendments.
c. They completely disregarded the 13th, 14th, and 15th amendments.
d. They had no affect on the 13th, 14th, and 15th amendments.