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Fact check: What actions did President Donald J. Trump take during the 2018-2019 shutdown and what legal challenges followed?

Checked on October 29, 2025
Searched for:
"Actions taken by President Donald J. Trump during the 2018–2019 federal government shutdown and subsequent legal challenges: Trump declared a national emergency on February 15"
"2019 to redirect Department of Defense funds to build a border wall after failing to secure $5.7 billion in appropriations from Congress; he signed spending bills to end portions of the shutdown in January 2019 (e.g."
"continuing resolutions for parts of government) and had previously refused to sign appropriations without border-wall funding; the administration reprogrammed military construction and counters drug interdiction funds to pay for wall construction; his administration accelerated construction contracts and directed agencies (DOD"
"DHS"
"DOJ) to transfer"
"obligate"
"or release funds for barrier construction. Legal challenges that followed included multiple lawsuits and judicial rulings: states (California"
"New Mexico"
"and others) and private parties sued to block use of redirected funds arguing violation of the Appropriations Clause and the National Emergencies Act; in June 2019 the U.S. Court of Appeals for the D.C. Circuit and other courts permitted some construction but litigation continued; in July 2019 a federal district court in California (Sierra Club v. Trump and consolidated cases) issued an injunction blocking some construction using military funds; in September 2019 the D.C. Circuit allowed limited construction to proceed while litigation continued; in January 2020 the Supreme Court allowed construction to proceed while lower-court litigation continued (Trump v. Sierra Club"
"No. 19A60); after Trump left office"
"courts ordered some funds returned or blocked use for certain projects; challenges invoked statutes including the Appropriations Clause"
"the Administrative Procedure Act"
"the National Environmental Policy Act (NEPA)"
"and the Military Construction Appropriations Act; remedies included injunctions"
"stays"
"and orders for accounting or return of funds. Key dates/years: 2018–2019 shutdown (Dec 22 2018–Jan 25 2019 partial reopenings; full end Jan 25 2019 for many agencies)"
"February 15 2019 national emergency declaration"
"June–September 2019 and January 2020 court rulings"
"and ongoing litigation into 2020–2021. Major parties referenced: President Donald J. Trump"
"U.S. Department of Defense"
"Department of Homeland Security"
"Sierra Club"
"State of California"
"State of New Mexico"
"U.S. Supreme Court."
Found 73 sources

Executive Summary

President Donald J. Trump ended the December 2018 partial government shutdown by signing a short-term funding bill on January 25, 2019, then declared a national emergency on February 15, 2019 to redirect executive and Defense funds toward his proposed border wall. The emergency declaration and subsequent transfers of military construction and other DoD funds produced a cascade of legal challenges from states, environmental groups and advocacy organizations culminating in litigation in the federal courts, Ninth Circuit rulings and a Supreme Court stay while appeals proceeded [1] [2] [3] [4].

1. How Trump closed the shutdown — and then changed tactics

President Trump signed a continuing resolution on January 25, 2019 to re-open government functions temporarily without wall funding, providing retroactive pay and a 21-day window for negotiations on border security, but shortly afterward invoked broader executive authority by declaring a national emergency at the southern border on February 15, 2019 to secure additional funds for barrier construction. The administration framed the emergency as necessary to address a humanitarian and security crisis at the border and expected litigation; Democrats and many stakeholders immediately warned the move would bypass Congress’s appropriations power [1] [2] [5] [6].

2. The funding shuffle: Pentagon transfers and construction starts

Following the emergency, the administration redirected Defense Department money to border construction, with the Pentagon shifting and diverting hundreds of millions to billions for multiple projects. Early transfers included about $1.5 billion and later moves encompassed roughly $3.6 billion in military construction funds to build hundreds of miles of barrier and associated infrastructure, pausing or canceling many military projects to free funds. The DoD-authorized transfers and later contracts and construction work—documented years later with new projects along ranges and sectors—show that the emergency produced sustained procurement and construction activity paid in part by reallocated defense funds [7] [8] [9] [10] [11] [12].

3. Lawsuits follow: who sued and on what grounds

Multiple plaintiffs challenged the emergency and transfers on constitutional and statutory grounds. Environmental groups, states and nonprofit organizations argued the administration violated the Appropriations Clause by reallocating funds Congress had withheld for the wall, and claimed ultra vires action and harms to environmental and property interests. California, New York and others promised litigation, and groups such as the Sierra Club pursued suits asserting standing and alleging unlawful transfers under Section 8005 and other authorities. Courts grappled with whether plaintiffs had cognizable causes of action and whether the executive’s statutory authority had been exceeded [6] [4] [3].

4. The federal courts and Supreme Court interventions that changed the timetable

District courts issued injunctions blocking some transfers and projects; the Ninth Circuit affirmed standing and held certain transfers unlawful under the Appropriations Clause. The administration sought relief at the Supreme Court; the high court granted stays in some contexts and considered questions about Article III standing, statutory authority and separation of powers. The litigation record shows split outcomes: judicial orders sometimes paused construction or fund use, while stays and appeals kept key issues alive and meant the dispute proceeded through the appellate process toward final resolution [3] [4].

5. Settlements, environmental remediation and state victories downstream

Some legal fights produced settlements and remedial requirements. California secured a settlement addressing unlawful construction and environmental harms that resulted from projects advanced under the emergency, including commitments to halt construction with challenged funds and fund habitat remediation. Other rulings temporarily blocked redirections of homeland security funds to certain states, reflecting judicial concerns about politicized reallocation and public-safety implications. These outcomes illustrate that litigation produced both injunctive relief and negotiated remediation even as other projects continued under alternate authorizations [13] [14].

6. Competing legal and political narratives and the larger constitutional question

The administration consistently defended the emergency as within the president’s statutory emergency powers to address border crises and to use executive authorities to expedite infrastructure. Opponents stressed Congress’s plenary appropriations authority over spending and argued judicial review was necessary to prevent executive overreach. Legal routes raised doctrinal questions about Article I appropriation power, agency transfer authorities like Section 8005, and standing to sue—issues appellate courts and the Supreme Court confronted in opinions and stays that shaped outcomes and set precedents for executive use of funds in national-security or border contexts [2] [15] [16].

Want to dive deeper?
What did the February 15 2019 national emergency declaration say and which statutory authorities did it invoke?
Which courts blocked or permitted border wall construction funded by reprogrammed military funds and what were their legal rationales?
How did states like California and New Mexico challenge the Trump administration’s fund reprogramming in Sierra Club v. Trump and related cases?
What portions of Department of Defense funds were reallocated for border barriers and which specific projects were affected?
How did the Supreme Court rule in January 2020 regarding construction during ongoing litigation in Trump v. Sierra Club, and what did that mean for the eventual outcomes?