Question

poll taxes and literacy tests had what effects on voting? they ensured that voters knew current events. they frequently impeded african - american voting. they provided extra voting security.

Explanation:

Poll taxes required voters to pay a fee to vote, which disenfranchised low-income people, disproportionately African Americans in the U.S. South. Literacy tests were often administered in a discriminatory, arbitrary way to bar African American voters, who were systematically denied access to education. These measures were explicitly used to suppress African American voting rights.

Answer:

They frequently impeded African-American voting.