Pls EXPLAIN THE DISCRIMINATORY PRACTICES THAT WERE USED TO PREVENT BLACKS FROM EXERCISING THEIR RIGHT TO VOTE.

literacy exams

Explanation:

african americans weren't well educated at the time and so polls made them take literacy exams to vote which most couldn't pass

they remained in rural areas and worked at jobs such as lumbering or farming.

answer; andrew jackson approved nullification by signing it into law,and john calhoun opposed it saying it was unconstitutional;