European capitals are reassessing their military and economic ties with the US as tariff disputes, a bid for Greenland and pressure over defence spending shake transatlantic trust

Topics covered
- What’s driving the rethink
- Lessons from product thinking
- Concrete proposals on the table
- Why Europe is reconsidering dependence
- Political signalling and alliance stability
- Paths to military and economic autonomy
- Practical hurdles and a realistic timeline
- Ukraine and the limits of reassurance
- Implications and next steps
Transatlantic ties under strain after U.S. policy shifts
A series of headline-grabbing moves from Washington has left European capitals reassessing long-held assumptions about security and economic alignment. From new tariffs and tougher trade measures to renewed American interest in Arctic outposts and persistent calls for higher defence spending, recent U.S.
initiatives have been both a reassurance of the alliance’s durability and a prompt to rethink its foundations. The question now for Europe: can it lower dependence on the United States without exposing itself to fresh vulnerabilities?
The debate in Munich captured that uneasy mix of confidence and caution.
U.S. officials emphasized the depth of shared history and common interests; many Europeans, however, heard a more urgent message — one that nudges them toward greater strategic autonomy. The conversation has moved beyond abstract notions of sovereignty into a practical ledger: what capabilities to build, how quickly, and who will foot the bill.
What’s driving the rethink
Three forces are steering this reassessment. First, trade tensions and tariffs have introduced a transactional edge to economic ties, making long-term planning harder for exporters and manufacturers. Second, U.S. interest in the Arctic — including initiatives around Greenland — has fanned sensitivities about influence and sovereignty in northern regions. Third, repeated U.S. exhortations for Europe to shoulder a bigger share of NATO’s costs have pushed discussions about European defence from polite diplomacy into concrete decision-making.
At the Munich Security Conference, participants translated these broad pressures into a central practical question: how to diversify security guarantees without opening gaps that adversaries could exploit. That reframes the debate from headlines to hard budgets, timelines, and industrial capacity.
Lessons from product thinking
Industry offers a useful analogy. Companies that chase glossy metrics without strengthening supply chains, manufacturing depth and talent pipelines rarely sustain growth. Geopolitics behaves the same way. Real autonomy doesn’t come from stirring speeches; it comes from years of steady investment in defence industries, research and development, and workforce skills.
Quick capability gains are rare unless budgets, procurement systems and industrial strategy are aligned. Anyone who’s built a complex product knows that reliable supply chains and resilient manufacturing are painstaking, expensive and slow to assemble — but also essential.
Concrete proposals on the table
Policymakers are considering a range of steps: deeper defence-industrial cooperation among EU states, diversification of supply chains for critical technologies, and aligned procurement rules to capture economies of scale. Ideas under discussion include clearer NATO burden-sharing guidelines, new frameworks for industrial security and certification, and joint research programs to reduce duplication.
Analysts warn that pursuing autonomy will bring near-term costs. That makes sequencing crucial: which capabilities to prioritize, how to finance them, and how to ensure today’s operational needs aren’t sacrificed for tomorrow’s independence. Brussels and national capitals are drafting detailed assessments and phased timetables; expect these technical roadmaps to dominate transatlantic diplomacy as tariff disputes, Arctic posture and defence spending remain on the table.
Why Europe is reconsidering dependence
Tariffs have disrupted supply chains and raised the cost of uncertainty for exporters, pushing governments to rethink market access strategies and bolster domestic industrial policy. The Arctic conversations have revived questions about territorial interests and northern defence postures, especially for states bordering those regions. And pressure to increase defence budgets has strained political consensus, forcing leaders to reconcile domestic priorities with alliance obligations.
A series of headline-grabbing moves from Washington has left European capitals reassessing long-held assumptions about security and economic alignment. From new tariffs and tougher trade measures to renewed American interest in Arctic outposts and persistent calls for higher defence spending, recent U.S. initiatives have been both a reassurance of the alliance’s durability and a prompt to rethink its foundations. The question now for Europe: can it lower dependence on the United States without exposing itself to fresh vulnerabilities?0
Political signalling and alliance stability
A series of headline-grabbing moves from Washington has left European capitals reassessing long-held assumptions about security and economic alignment. From new tariffs and tougher trade measures to renewed American interest in Arctic outposts and persistent calls for higher defence spending, recent U.S. initiatives have been both a reassurance of the alliance’s durability and a prompt to rethink its foundations. The question now for Europe: can it lower dependence on the United States without exposing itself to fresh vulnerabilities?1
A series of headline-grabbing moves from Washington has left European capitals reassessing long-held assumptions about security and economic alignment. From new tariffs and tougher trade measures to renewed American interest in Arctic outposts and persistent calls for higher defence spending, recent U.S. initiatives have been both a reassurance of the alliance’s durability and a prompt to rethink its foundations. The question now for Europe: can it lower dependence on the United States without exposing itself to fresh vulnerabilities?2
Paths to military and economic autonomy
A series of headline-grabbing moves from Washington has left European capitals reassessing long-held assumptions about security and economic alignment. From new tariffs and tougher trade measures to renewed American interest in Arctic outposts and persistent calls for higher defence spending, recent U.S. initiatives have been both a reassurance of the alliance’s durability and a prompt to rethink its foundations. The question now for Europe: can it lower dependence on the United States without exposing itself to fresh vulnerabilities?3
A series of headline-grabbing moves from Washington has left European capitals reassessing long-held assumptions about security and economic alignment. From new tariffs and tougher trade measures to renewed American interest in Arctic outposts and persistent calls for higher defence spending, recent U.S. initiatives have been both a reassurance of the alliance’s durability and a prompt to rethink its foundations. The question now for Europe: can it lower dependence on the United States without exposing itself to fresh vulnerabilities?4
Practical hurdles and a realistic timeline
A series of headline-grabbing moves from Washington has left European capitals reassessing long-held assumptions about security and economic alignment. From new tariffs and tougher trade measures to renewed American interest in Arctic outposts and persistent calls for higher defence spending, recent U.S. initiatives have been both a reassurance of the alliance’s durability and a prompt to rethink its foundations. The question now for Europe: can it lower dependence on the United States without exposing itself to fresh vulnerabilities?5
A series of headline-grabbing moves from Washington has left European capitals reassessing long-held assumptions about security and economic alignment. From new tariffs and tougher trade measures to renewed American interest in Arctic outposts and persistent calls for higher defence spending, recent U.S. initiatives have been both a reassurance of the alliance’s durability and a prompt to rethink its foundations. The question now for Europe: can it lower dependence on the United States without exposing itself to fresh vulnerabilities?6
Ukraine and the limits of reassurance
A series of headline-grabbing moves from Washington has left European capitals reassessing long-held assumptions about security and economic alignment. From new tariffs and tougher trade measures to renewed American interest in Arctic outposts and persistent calls for higher defence spending, recent U.S. initiatives have been both a reassurance of the alliance’s durability and a prompt to rethink its foundations. The question now for Europe: can it lower dependence on the United States without exposing itself to fresh vulnerabilities?7
Implications and next steps
A series of headline-grabbing moves from Washington has left European capitals reassessing long-held assumptions about security and economic alignment. From new tariffs and tougher trade measures to renewed American interest in Arctic outposts and persistent calls for higher defence spending, recent U.S. initiatives have been both a reassurance of the alliance’s durability and a prompt to rethink its foundations. The question now for Europe: can it lower dependence on the United States without exposing itself to fresh vulnerabilities?8
A series of headline-grabbing moves from Washington has left European capitals reassessing long-held assumptions about security and economic alignment. From new tariffs and tougher trade measures to renewed American interest in Arctic outposts and persistent calls for higher defence spending, recent U.S. initiatives have been both a reassurance of the alliance’s durability and a prompt to rethink its foundations. The question now for Europe: can it lower dependence on the United States without exposing itself to fresh vulnerabilities?9




