Since former President Donald Trump took Iowa by storm, the GOP presidential candidacy landscape has shifted profoundly.

According to Breitbart, former South Carolina Gov. Nikki Haley and her small base of support continue to push forward after everyone else, including Gov. Ron DeSantis, have dropped out and rallied behind former President Donald Trump.

Karoline Leavitt, the national spokeswoman for President Trump’s campaign, told Breitbart that Haley should strongly consider dropping out, or risk "signing her own political death warrant."

"President Trump is on the heels of a historic victory in Iowa, breaking that 50 percent threshold that all the fake news media said he couldn’t do, winning by more than 30 points, absolutely demolishing both Ron DeSantis and Nikki Haley, winning 98 of 99 counties, winning every single demographic across the board," Leavitt told host Matt Boyle.

She added, "The great people of Iowa sent a very clear message that they want President Trump to make America great again, and that same message will be sent to the world come Tuesday in our great New Hampshire primary."

Leavitt emphasized how much time and effort Trump has spent in New Hampshire, where Haley is expected to perform better than she did in Iowa, where she came in third place.

"That just shows you that not only does President Trump have great strength and momentum here in New Hampshire, but that momentum will be carrying him through to South Carolina and Nikki Haley’s home state,” Leavitt said.

"And so if Nikki Haley really wants to lose two states in a row in Iowa and New Hampshire and then continue on with her embarrassing Democrat-funded campaign, she will be signing her own political death certificate in her own home state of South Carolina."

It was also noted that Haley has little to no chance of making any waves in Nevada, where Trump is leading by a ridiculously high margin -- up to 70 points.

She went on to point out the painfully obvious for DeSantis and Haley -- that they have no clear path to the nomination.

“The Republican Party is absolutely unified around President Trump, and Republican voters overwhelmingly support him to be our nominee,” Leavitt said.

“Neither Nikki Haley nor Ron DeSantis ever had a practical pathway to this nomination. That was proven in Iowa with President Trump’s historic record-breaking victory, and it will be proven again when he wins the New Hampshire primary.”

DeSantis on Sunday announced the end of his campaign and threw his support behind Trump, possibly saving face with Trump's base who soured on him months ago.

Only time will tell if Haley bows out, as many believe she should. New Hampshire will likely be the final blow.