![Donald Trump Makes Campaign Swing Through Iowa Former Alaska Gov. Sarah Palin endorsed Republican presidential candidate Donald Trump on Jan. 19, 2016.](https://api.time.com/wp-content/uploads/2016/01/election-2016-politics-endorsements-photos-sarah-palin-donald-trump.jpg?quality=85&w=2400)
By TIME Photo
![Republican Candidates Debate In New Hampshire Days Before State's Primary New Jersey Gov. Chris Christie endorsed business Donald Trump for president on Feb. 26. Here, the candidates greeted each other during a commercial break in a Feb. 6 Republican presidential debate.](https://api.time.com/wp-content/uploads/2016/02/chris-christie-donald-trump-endorsement-election-2016-2.jpg?quality=75&w=2400)
![Republican Presidential Candidates Debate In Greenville, South Carolina Republican Presidential Candidates Debate In Greenville, South Carolina](https://api.time.com/wp-content/uploads/2016/03/bush-cruz.jpeg?quality=75&w=2400)
![Bernie Sanders Holds Press Conference With Activists In Chicago Rapper Killer Mike, left, has endorsed Democratic presidential candidate U.S. Senator Bernie Sanders, (I-VT).](https://api.time.com/wp-content/uploads/2016/01/election-2016-politics-endorsements-photos-bernie-sanders-killer-mike.jpg?quality=75&w=2400)
![Donald Trump Makes Campaign Swing Through Iowa Former Alaska Gov. Sarah Palin endorsed Republican presidential candidate Donald Trump on Jan. 19, 2016.](https://api.time.com/wp-content/uploads/2016/01/election-2016-politics-endorsements-photos-sarah-palin-donald-trump.jpg?quality=75&w=2400)
![Senator Lindsey Graham Endorses Republican Presidential Candidate Jeb Bush Former Florida Gov. Jeb Bush shakes hands with South Carolina Senator Lindsey Graham during a news conference in which Graham endorsed Bush for president in North Charleston, S.C. on Jan. 15, 2016.](https://api.time.com/wp-content/uploads/2016/02/jeb-bush-lindsey-graham-endorsement-election-2016.jpg?quality=75&w=2400)
![Lena Dunham And Abby Wambach Attend Women For Hillary Events Screenwriter and actress Lena Dunham supports Democratic presidential candidate Hillary Clinton. Here she speaks at a Hillary Clinton campaign office on Jan. 8, 2016 in Manchester, N.H.](https://api.time.com/wp-content/uploads/2016/01/election-2016-politics-endorsements-photos-lena-dunham-hillary-clinton.jpg?quality=75&w=2400)
![Huckabee Campaigns As January 3rd Iowa Caucus Approaches Republican Presidential hopeful and former Arkansas Gov. Mike Huckabee has the support of actor Chuck Norris, right.](https://api.time.com/wp-content/uploads/2016/01/election-2016-politics-endorsements-photos-chuck-norris-mike-huckabee.jpg?quality=75&w=2400)
![GOP 2016 Cruz Guns This still image made from video provided by the Cruz campaign via YouTube shows presidential candidate Ted Cruz. In the video, Cruz is endorsed by "Duck Dynasty" star Phil Robertson.](https://api.time.com/wp-content/uploads/2016/01/election-2016-politics-endorsements-photos-ted-cruz-duck-dynasty.jpg?quality=75&w=2400)
![Kanye West Show : Front Row - Paris Fashion Week Womenswear Fall/Winter 2012 Kim Kardashian and Kanye West have publicly supported Hillary Clinton.](https://api.time.com/wp-content/uploads/2016/01/election-2016-politics-endorsements-photos-kanye-west-kim-kardashian-hillary-clinton.jpg?quality=75&w=2400)
![Huckabee Announces His Intentions For The 2016 Presidential Race Entertainer Tony Orlando performed during Arkansas Gov. Mike Huckabee's announcement of his candidacy for the 2016 presidential race.](https://api.time.com/wp-content/uploads/2016/01/election-2016-politics-endorsements-photos-tony-orlando-mike-huckabee.jpg?quality=75&w=2400)
![Vermont Senator Bernie Sanders (I-VT) Philosopher and academic Cornel West, right, endorses Vermont Senator Bernie Sanders (I-VT).](https://api.time.com/wp-content/uploads/2016/01/election-2016-politics-endorsements-photos-bernie-sanders-cornel-west.jpg?quality=75&w=2400)
![UFC 152: Vitor Belfort Open Workout Fighter Vitor Belfort, seen during a workout, has endorsed neurosurgeon Ben Carson.](https://api.time.com/wp-content/uploads/2016/01/election-2016-politics-endorsements-photos-vitor-belfort-ben-carson.jpg?quality=75&w=2400)
![Katy Perry Rallies Hillary Clinton Supporters Before Iowa Jefferson-Jackson Dinner Singer Katy Perry performed during a rally for Hillary Clinton, who she publicly supports.](https://api.time.com/wp-content/uploads/2016/01/election-2016-politics-endorsements-photos-katy-perry-hillary-clinton.jpg?quality=75&w=2400)
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