Question

Who has the power to control voter registration as per the U.S. Constitution?

Answer 1

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

Answer 2

the United States Constitution, the authority to regulate the time, place, and manner of federal elections is up to each State, unless Congress legislates otherwise.