It uses the word voters, which repeats and reinforces the central idea of the essay.
Explanation:
By using the word voters, in the phrase the author reinforces the centrla idea of the essay which is inviting and promoting voting on off-year elections, which have the lowest voter turnout since people are not concerned with the positions that are elected on off-year elections, this helps encourage voters to be more involved with the situations and elections.
<span>No longer than one or two sentences. If you write more than this, it'll drain out the evidence that supports the main idea. It could also be shorter if possible.</span>