Which of the following is LEAST significant to the extension of suffrage for African-Americans in the United States?

1) the passage of the Fifteenth Amendment

2) the passage of the Voting Rights Act of 1965

3) the passage of the Twenty-fourth Amendment

4) the passage of the Twenty-sixth Amendment

Economic success prussia had a very strong economy, partly due to the success of the zollverein. stronger prussian army king wilhelm wanted to build a bigger, stronger army but was blocked by the prussian landtag (parliament).-credits to google for putting answer -credits to slideshare for making answer-credits to me for putting answer on brain.ly

Are there any answer choices?