Which of the powers below are given to the states in elections that have caused an underrepresented for certain voting populations? Please choose the best answer.

A: States put heavy voter ID restrictions on all voters.
B: States are allowed to decide who can vote.
C: States can deny mail-in ballot options for specific voting populations.
D: States decide where polling locations will be and what languages voting material is printed in

C: States can deny mail-in ballot options for specific voting populations.