Poll taxes--this law required people to pay a tax to vote. Blacks often were not able to pay the tax.
Literacy tests--the literacy test was a test required for voting. However, it was nearly impossible to pass in particular for blacks who were not even given a fair shot.
Grandfather clause--this clause got whites out of the poll taxes and the literacy tests. If their grandfather was able to vote prior to the Civil War, the they did not have to jump through the hoops.
I believe that this is an opinion question that only you can answer
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