Although the Trump Administration had requested major funding for the border wall, Republicans and Democrats could not agree to a budget that fully incorporated border wall funding, and the 2019 budget that eventually passed, just shy of an early February deadline, included only a bare minimum amount of wall funding.
"We do have an $8.6 billion request to Congress to complete the wall".
But the declaration has been blocked in the House, and the Senate must vote on it this week.
The Republican president's $4.7 trillion (£3.57 trillion) budget was immediately panned by Democrats in Congress, who rejected his push a year ago for wall funding in a standoff that led to a five-week partial shutdown of the federal government. "The same thing will repeat itself if he tries this again", the statement continued. Some economists, though, say the bump from the tax cuts is waning, and they project slower growth in coming years.
But he said Mr Trump "is going to stay with his wall". "I think it's exactly the right prescription", he said.
The budget also calls for $3.6 billion to replace funds Trump plans to divert for border wall construction using the emergency powers, according to a senior administration official, who requested anonymity to discuss the plan ahead of its release.
Still, according to Trump's budget, the spending cuts would do little to reduce what is shaping up to be a colossal deficit in the next several years.
During his 2016 presidential campaign, Trump rallies frequently featured his supporters screaming "build the wall".
"We have provided the course of action, the strategy, and the request to finish the job".
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And night-shift workers will only get paid for seven hours of work instead of the usual eight, according to federal law . Pennsylvania, Texas , Washington, and Idaho are all angling to do the same , with proposed legislation in the works.
On a separate issue, Kudlow expressed optimism that US economic growth will surpass three percent "in 2019 and beyond", adding that the 2020 budget anticipates a five percent reduction in government spending.
The proposal also cuts federal subsidies to farmers; adds a new user fee on e-cigarettes; and ends a tax credit for electric auto purchases.
It asks for $8.6 billion to build a wall on the border with Mexico.
Federal officials have said only about 111 miles have been built so far or are now under construction. In fiscal 2017, $341 million in funding was allocated for 40 miles (64 km) of the wall, and in 2018, another $1.375 billion was directed to 82 miles (132 km).
Kudlow said daily negotiations between USA and Chinese officials have been progressing following face-to-face talks in Washington roughly two weeks ago, after which Trump extended a March 1 deadline for increasing US tariffs on $200 billion in Chinese goods.
"So, yes, he's going to stay with his wall, and he's going to stay with the border security and I think it's essential", Kudlow said.
While domestic spending will see a cut in spending, defense spending in President Trump's budget has been increased by five percent. Trump responded by redirecting $3.1 billion from the Treasury and defense departments toward wall construction and used an emergency declaration to shift an additional $3.6 billion from the military construction budget.
Trump's budget includes politically volatile proposals for overhauling Medicare, Medicaid and other costly social programs that form the American social safety net that helps the poor and underprivileged.
Overall, the budget would spend $4.7 trillion during fiscal year 2020, which begins on October 1.
The budget proposal includes a plan to hire more than 2,800 law enforcement and support personnel for the agencies, and 100 immigration judge teams, officials said. The administration is counting on robust growth, including from the Republican tax cuts - which Trump wants to make permanent - to push down the red ink.