The New Hampshire primary is on Tuesday. Here's what to know.

Manchester, New Hampshire — For more than 100 years, New Hampshire has traditionally held the first primary election in the country — a point of pride for the small New England state — and since 1975, the state has had a law requiring it be held at least a week before any other primary nominating contest. 

This year's primary took a turn on Sunday when Florida Gov. Ron DeSantis dropped out of the race, making the race a showdown between former President Donald Trump and former U.S. ambassador to the U.N. Nikki Haley.