The sentence that most accurately describes elections in the United States is C. Some voters go to polling places, while some submit their ballots by mail, because de United States Government made avaliable to the people several ways to cast the vote, the first one is go to a polling place and vote in person, the second one is the posibility to vote by mail if people as the Military members, overseas citizens and others can't go to their polling place, and finally the third one is to vote in the early voting if it's avaliable by the state.