Has Trump attempted changes that would violate the constitution

Checked on January 13, 2026
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Executive summary

The record assembled by courts, legal groups and congressional Democrats shows repeated presidential actions that courts and scholars have found or argued to be unconstitutional—or that prompted legal challenges alleging constitutional violations—ranging from an executive order attempting to end birthright citizenship to politically targeted cancellations of federal grants and unilateral pauses of federal spending [1] [2] [3] [4]. While some disputes remain unresolved at the Supreme Court and other venues, the pattern of aggressive assertions of executive authority has produced a large body of litigation and multiple judicial rebukes [5] [6].

1. Birthright citizenship: a direct constitutional challenge

An executive order aimed at ending birthright citizenship invoked the 14th Amendment’s citizenship clause and was described by federal judges and legal analysts as constitutionally defective, prompting immediate blocking orders and sustained commentary from institutions like the Brennan Center and congressional Democrats who called the move “blatantly unconstitutional” [1] [2].

2. Federal funding freezes and reprogramming: separation of powers fights

The administration’s pause on federal spending and attempts to redirect funds prompted critics to say the president was usurping Congress’s exclusive power of the purse; legal analysts and the Constitutional Accountability Center identified a spending pause as a constitutional overreach and numerous lawsuits followed contesting those funding moves [4] [7].

3. Targeting states with grant cancellations: equal protection and due process claims

Courts have already found at least one major funding action unlawful when the Department of Energy canceled clean-energy grants in a pattern that judges concluded discriminated against awardees from states politically opposed to the president, a ruling framed as a violation of Fifth Amendment equal protection and due process principles [3] [8].

4. Purges of inspectors general and politicization of agencies

The firing of a large number of inspectors general and efforts to subordinate independent agencies to direct presidential control drew widespread legal and academic alarm as actions that undermine statutory safeguards and due process protections; critics said removing inspectors general without proper statutory justification threatened the structural checks Congress created [9] [7].

5. Election-related orders and control over voting processes

Attempts to dictate the content of federal voter registration forms and to compel sensitive voter data retrieval were met with litigation concluding the president lacks constitutional authority to unilaterally set national election rules reserved to Congress or unduly interfere with state-run election processes, with courts issuing temporary and then permanent rulings against such executive dictates [10].

6. Military, domestic deployments and executive reach

Scholars and civil liberties groups have warned that certain moves to employ military power for domestic objectives risk violating the Posse Comitatus principle and the Constitution’s civil-military separation; the ACLU and legal commentators flagged these as threats to the rule of law and to established limits on using armed forces in domestic governance [11] [12].

7. The courts and institutions as checks—mixed outcomes

The judiciary and advocates have pushed back successfully in many instances—blocking orders, court findings against the administration on funding discrimination and on other measures—and several matters are headed to the Supreme Court where the balance between executive latitude and constitutional limits will be litigated [3] [5] [10]. At the same time, critics note that some rulings are narrowly framed and that litigation remains ongoing in scores of cases [6].

8. What the record means: patterns, intentions and political context

Taken together, the sources show a coherent pattern of aggressive executive initiatives that legal experts, advocacy groups and bipartisan courts have repeatedly called unconstitutional or unlawful—some finalized by judicial rulings, others still contested—while political defenders frame many moves as policy innovation or lawful executive prerogative, creating a sustained constitutional confrontation that courts and Congress have been forced to resolve [9] [6] [13].

Want to dive deeper?
What specific court rulings have permanently struck down Trump-era executive orders as unconstitutional?
How have federal courts balanced national security and military deployment claims against Posse Comitatus and civil liberties in recent Trump-era cases?
What mechanisms can Congress use to check presidential reprogramming of funds or unilateral freezes of federal spending?