Trump says he may withdraw US from NATO. The law says he can't without Congress
📖 Full Retelling
📚 Related People & Topics
Congress
Formal meeting of representatives
A congress is a formal meeting of the representatives of different countries, constituent states, organizations, trade unions, political parties, or other groups. The term originated in Late Middle English to denote an encounter (meeting of adversaries) during battle, from the Latin congressus.
NATO
Intergovernmental military alliance
# North Atlantic Treaty Organization (NATO) The **North Atlantic Treaty Organization (NATO)** is a prominent intergovernmental military alliance consisting of 32 member states across Europe and North America. Established as a cornerstone of post-World War II international relations, the organizatio...
Donald Trump
President of the United States (2017–2021; since 2025)
Donald John Trump (born June 14, 1946) is an American politician, media personality, and businessman who is the 47th president of the United States. A member of the Republican Party, he served as the 45th president from 2017 to 2021. Born into a wealthy New York City family, Trump graduated from the...
Entity Intersection Graph
Connections for Congress:
Mentioned Entities
Deep Analysis
Why It Matters
This news matters because it highlights a potential constitutional crisis regarding presidential authority versus congressional oversight in foreign policy. It affects U.S. national security, NATO's 31 member countries, and global stability by questioning America's commitment to collective defense. The debate impacts military alliances, international trust in U.S. commitments, and could embolden adversaries like Russia who oppose NATO expansion.
Context & Background
- The North Atlantic Treaty Organization (NATO) was founded in 1949 as a collective defense alliance against Soviet expansion during the Cold War.
- Article 5 of the NATO treaty states that an attack on one member is considered an attack on all, invoked only once after the 9/11 attacks on the United States.
- The 1973 War Powers Resolution requires congressional approval for extended military engagements, but presidents have historically interpreted treaty obligations differently.
- Previous presidents including Trump have criticized NATO members for not meeting the 2% GDP defense spending target agreed upon in 2014.
- The NATO Participation Act of 1994 and subsequent legislation have created statutory requirements regarding U.S. participation in the alliance.
What Happens Next
Legal scholars and Congress will likely debate the constitutional authority question, potentially leading to court challenges if withdrawal attempts occur. NATO members may increase pressure on the U.S. to reaffirm commitments ahead of the 2024 NATO summit in Washington. Congressional leaders from both parties may introduce legislation to explicitly prohibit unilateral withdrawal without congressional approval.
Frequently Asked Questions
Legal opinions are divided—some argue the president has treaty termination authority, while others point to legislation requiring congressional approval for NATO withdrawal. The Constitution gives the president treaty-making power with Senate approval, but is silent on termination procedures.
European security would fundamentally change, potentially weakening deterrence against Russian aggression. Other members might increase defense spending or seek alternative alliances, while global U.S. influence would diminish in transatlantic affairs.
No president has formally attempted withdrawal, though President Trump previously criticized the alliance and reportedly discussed leaving during his term. Past presidents have pressured members to increase defense spending but maintained commitment to Article 5.
Member countries contribute directly to NATO's common budget (about $3.3 billion annually) based on agreed cost-sharing formulas, while separately funding their own national defense budgets. The 2% GDP target refers to national defense spending, not direct NATO contributions.
Bipartisan majorities in Congress support NATO, with recent legislation reinforcing commitment. Public opinion polls show majority American support for the alliance, though with partisan differences in enthusiasm for the mutual defense commitment.