Why did Southern states use poll taxes, literacy tests, and grandfather clauses as Reconstruction came to an end?(1 point)

Question

Responses

to maintain Republican control of state governments
to maintain Republican control of state governments

to ensure voters would remain loyal to the Union
to ensure voters would remain loyal to the Union

to keep African Americans from voting
to keep African Americans from voting

to keep poor white Southerners from voting

Answer 1

to keep poor white Southerners from voting