What legislation made it a federal offense to interfere with a citizens right to vote?

The Fifteenth Amendment made it a federal offense to interfere with a citizen's right to vote. Apart from the 15th, the 19th and 26th Amendments also deal on individual rights to vote.

The answer is the fifteenth amendment.

answer; /// i believe that the correct answer is (d)the huang he river valley;

the correct answer is: the fact that the anti-federalist papers were considered poorly written.