For the first time, Maine's using ranked-choice voting for presidential elections, which includes the race between Senator Susan Collins and Sarah Gideon.
Before you vote today, know what kinds of decisions wait for you at the ballot box. Here are the five questions that voters will decide today in Maine.
To be eligible to participate in Maine's presidential caucuses in March, you have to be a member of either the Democratic or Republican parties. Here's everything you need to know to vote!