Why were grandfather clauses enacted? A) African Americans advocated the use of grandfather clauses.

B) Grandfather clauses were a fair way to decide who had the right to vote.

C) The use of literacy tests and poll taxes had prevented whites from voting.

D) Southerners realized that literacy tests and poll taxes were unfair for poor people.

B. Grandfather clauses were a fair way to decide who had the right to vote.

Explanation:

Because the former slaves were not granted that right until the adoption of the Fifteenth Amendment in 1870, these clauses worked effectively to exclude Blacks from voting and assured the vote of many impoverished and illiterate whites.

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