After the first race to become the Republican nominee in Iowa last week, it's now the turn of voters in the small north-eastern state of New Hampshire.
Donald Trump won by a landslide in Iowa, and on Sunday his rival Ron DeSantis dropped out of the race and endorsed Trump.
That leaves the former UN ambassador and former South Carolina governor Nikki Haley taking on Trump.
She is hoping the New Hampshire's bloc of independent voters will help her pull off an upset victory.
Correspondent Philip Crowther spoke to Ingrid Hipkiss.
