Article 1, Section 2: The House of Representatives shall be composed of Members chosen every second Year by the People of the several States.
15th Amendment: The right of citizens of the United States to vote shall not be denied or abridged by the United States or by any State on account of race, color, or previous condition of servitude.
19th Amendment: The right of citizens of the United States to vote shall not be denied or abridged by the United States or by any State on account of sex.
24th Amendment: The right of citizens of the United States to vote in any primary or other election for President or Vice President, for electors for President or Vice President, or for Senator or Representative in Congress, shall not be denied or abridged by the United States or any State by reason of failure to pay poll tax or other tax.
26th Amendment: The right of citizens of the United States, who are eighteen years of age or older, to vote shall not be denied or abridged by the United States or by any State on account of age.