White House officials on Tuesday defended President Trump Donald John TrumpSteele Dossier sub-source was subject of FBI counterintelligence probe Pelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' Trump 'no longer angry' at Romney because of Supreme Court stance MORE's support for a two-year budget deal negotiated with Congress, as backlash swelled among conservatives.

Top Trump administration officials spent the morning selling the agreement announced on Monday night after weeks of negotiations between Speaker Nancy Pelosi Nancy PelosiPelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' On The Money: Anxious Democrats push for vote on COVID-19 aid | Pelosi, Mnuchin ready to restart talks | Weekly jobless claims increase | Senate treads close to shutdown deadline Trump signs largely symbolic pre-existing conditions order amid lawsuit MORE (D-Calif.) and Treasury Secretary Steven Mnuchin Steven Terner MnuchinOn The Money: Anxious Democrats push for vote on COVID-19 aid | Pelosi, Mnuchin ready to restart talks | Weekly jobless claims increase | Senate treads close to shutdown deadline Vulnerable Democrats tell Pelosi COVID-19 compromise 'essential' Pelosi asks panels to draft new COVID-19 relief measure MORE.

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"I think it’s a deal that will get through," National Economic Council Director Larry Kudlow Larry KudlowMORE told reporters. "I think people are signing on — Democrats and Republicans. It isn’t everything we hoped for, but it got through the debt ceiling. That’s so important."

Kudlow argued the deal benefited the White House and its allies by keeping out poison-pill legislative riders that could be used to thwart the president's agenda.

He also downplayed concern that the deal will further balloon the deficit, saying the agreement contains "very modest" spending increases and suggested Trump would focus more intensely on trimming deficits if he's elected for a second term.

Still, Kudlow and acting Office of Management and Budget Director Russell Vought acknowledged that the need to increase the debt limit forced some concessions that will frustrate some of Trump's congressional allies.

"It's a pretty good deal under the circumstances," Kudlow said.

Trump tweeted Monday evening that a two-year budget deal had been struck with the top Republicans and Democrats in each chamber of Congress. The agreement would also suspend the debt ceiling until July 2021.

The deal would raise federal spending by $320 billion over existing funding caps, and includes $77 billion in cuts or revenue-raisers to help pay for the agreement.

While the package includes defense spending increases and other sweeteners that will please Trump and some conservatives, it contains spending increases preferred by Democrats and will add to the deficit.

White House press secretary Stephanie Grisham issued a statement Monday night encouraging the House and Senate to "quickly move this deal to the President's desk for signature."

Pelosi urged colleagues in a letter Tuesday to back the agreement.

Vought, appearing Tuesday morning on "America's Newsroom" on Fox News, said the deal would be a tough sell with conservative lawmakers, some of whom had already voiced their displeasure after Trump announced the agreement.

"I love the concern of the conservatives who are bringing attention to the problems that we have with fiscal responsibility in this town," Vought said.

He repeatedly stressed that the exclusion of poison pills and the debt limit increase would free up Trump to enact his agenda and would take away potential leverage from Pelosi in future negotiations.

The agreement has received little support among fiscal hawks in Congress.

Rep. Mark Walker Bradley (Mark) Mark WalkerJoe Biden has long forgotten North Carolina: Today's visit is too late Mike Johnson to run for vice chairman of House GOP conference The Hill's Morning Report - Sponsored by National Industries for the Blind - Woodward book revelations rock Washington MORE (R-N.C.), a member of GOP leadership, reacted to news of the agreement by tweeting an image from "The Dark Knight" of the Joker standing next to a burning pile of money.

"The debt ceiling is here again. Our credit card is maxed out," he added in a subsequent tweet. "What this budget deal does is ask the credit card company for another $320 billion in credit NOW for the chance to get paid back $75 billion in a decade. No bank would take that. American taxpayers shouldn’t either."

Rep. Mike Johnson James (Mike) Michael JohnsonReclaiming the American Dream LWCF modernization: Restoring the promise Mike Johnson to run for vice chairman of House GOP conference MORE (R-La.) said in a statement that the spending deal "fails to meet reasonable goals" set out by the Republican Study Committee, the largest GOP caucus on Capitol Hill, to maintain fiscal responsibility.

"While conservatives can appreciate the agreement’s restrictions on poison-pill riders, the price alone is far outside of what Congress should be allocating," he said.

The pushback among conservatives increase the odds that the spending deal will need to pass the House on the strength of Democratic votes.

Vought, asked on Fox News if he believed the deal would pass Congress, was noncommittal.

"Look, I’m not the whip count in the House," he said. "We’ve put forward the deal, but Congress needs to get it done this week. We’ll see how it goes."