Florida Governor Ron DeSantis ended his Republican presidential campaign on Sunday and endorsed<a href="https://www.thenationalnews.com/tags/donald-trump/" target="_blank"> Donald Trump.</a> Mr <a href="https://www.thenationalnews.com/world/the-americas/2023/11/09/republican-debate-2023-ron-desantis/" target="_blank">DeSantis</a> announced his decision in a video posted on X. He said he was endorsing Mr Trump because “we can't go back to the old Republican guard of yesteryear”, and criticised former UN ambassador <a href="https://www.thenationalnews.com/world/us-news/2024/01/19/trump-mocks-nikki-haleys-indian-birth-name-in-latest-attack/" target="_blank">Nikki Haley</a>, the only remaining <a href="https://www.thenationalnews.com/opinion/comment/2024/01/15/republican-leaders-are-not-seeing-the-dangers-of-defending-trump/" target="_blank">Republican</a> challenger to the former president. <a href="https://www.thenationalnews.com/tags/ron-desantis/" target="_blank">Mr DeSantis's</a> withdrawal from the race comes just two days before the New Hampshire primary, where Ms Haley is trailing <a href="https://www.thenationalnews.com/world/us-news/2024/01/16/what-does-trumps-landslide-iowa-win-mean-for-the-2024-race/" target="_blank">Mr Trump</a>. Mr DeSantis, 45, had been widely seen as a top contender for the <a href="https://www.thenationalnews.com/world/the-americas/what-is-allan-lichtman-s-prediction-for-the-2024-us-presidential-election-1.1109868" target="_blank">2024 Republican nomination</a> and a natural heir to Mr Trump due to his combative style and deeply conservative views. Early in 2023, he led several head-to-head polls <a href="https://www.thenationalnews.com/world/us-news/2023/07/25/us-presidential-hopeful-ron-desantis-escapes-injury-in-car-crash/" target="_blank">against Mr Trump</a>. But Mr DeSantis's support has been declining for months, due to a flawed campaign strategy, his seeming lack of ease with voters on the campaign trail and Mr <a href="https://www.thenationalnews.com/world/us-news/2024/01/16/iowa-caucus-results-2024-trump/" target="_blank">Trump's</a> so far unshakeable hold on much of the party's base. <a href="https://www.thenationalnews.com/world/us-news/2024/01/16/iowa-caucus-results-2024-trump/" target="_blank">He lost the Iowa caucuses</a> to Mr Trump by a wide margin and got embroiled in a series of superficial distractions, including being mocked for supposedly wearing heel <a href="https://www.thenationalnews.com/world/us-news/2023/10/31/ron-desantis-accused-of-wearing-lifts-in-his-cowboy-boots-to-appear-taller/" target="_blank">lifts inside his cowboy boots to appear taller. </a> Mr DeSantis’s political future is in question after suspending his bid following only one voting contest. He can only serve one term as Florida Governor.