Answer:
Calhoun said slavery was a "necessary evil" and "positive good" that helped slaves and owners.
'To protect minority rights against majority rule,' he called for a concurrent majority by which 'the minority could block some proposals that it felt infringed on their liberties.'
Explanation:
I hope this helps.
1. Poll taxes- for them to vote they had to pay high taxes.(A lot of African Americans couldn't afford it)
2.Grandfather clause- exempted citizens with ancestors had voted before Jan. 1st 1867 to vote now.(No African Americans could vote at time period)
3. Literacy test- Had to pass this test otherwise I can't vote