Question

select the word that means put an end to. in 1870, the fifteenth amendment to the united states constitution extended suffrage to african americans, giving them the legal right to vote. yet almost a century later, many still couldnt vote. in some states, especially in the south, people were required to pay poll taxes in order to cast a ballot. many couldnt afford the tax. finally, in 1964, the twenty - fourth amendment knocked down one more barrier on the path to equal rights: it abolished poll taxes.

Explanation:

The text describes the history of voting - rights in the US, with the 24th Amendment "abolishing" poll - taxes which was a barrier to voting. "Abolish" means to put an end to.

Answer:

abolish