Voters in Illinois and across the country head to the polls Tuesday. The race for President of the United States is just one of many offices on the ballot. Vice President Kamala Harris and former president Donald Trump and their running mates have made their their final pitch to voters.

Like all but two U.S. states, Illinois has a winner-take-all system, in which all the state's electoral votes to go to the presidential candidate who wins the popular vote in the state.

It's possible to become President of the United States without getting the most votes, thanks to the Electoral College. The system allocates 538 votes across the country, and a candidate needs a majority,