European Institute for Peace and Governance (EIPG)
Abstract
For over seventy years, the transatlantic alliance between Europe and the United States has served as the foundation of European security and global geopolitical order. However, emerging geopolitical trends—including shifting U.S. strategic priorities, domestic political polarization in the United States, and Europe’s pursuit of strategic autonomy—raise questions about the long-term durability of this partnership.
This research explores the possibility of a “Post-Atlantic Europe,” in which European states increasingly assume responsibility for their own security and geopolitical strategy.
The study examines the structural drivers behind transatlantic divergence and evaluates potential strategic scenarios for Europe in a world where American leadership becomes less predictable.
1. Introduction
Since the end of World War II, European security has been anchored by the transatlantic alliance.
NATO provided the institutional framework through which the United States guaranteed European defense.
However, recent geopolitical developments have introduced uncertainty into this relationship.
Several trends illustrate this shift:
- U.S. strategic pivot toward Asia
- Political polarization within American foreign policy
- European calls for strategic autonomy
These developments have sparked debate over whether Europe must prepare for a future with reduced American security guarantees.
2. Strategic Dependence
Europe remains heavily dependent on the United States in several critical areas:
Military Capabilities
American military capabilities—particularly intelligence, surveillance, logistics, and nuclear deterrence—remain essential to NATO operations.
Technological Infrastructure
European digital infrastructure relies heavily on American technology firms.
Security Architecture
NATO command structures remain largely shaped by U.S. leadership.
This dependence complicates Europe’s pursuit of strategic autonomy.
3. The Drivers of Transatlantic Divergence
Several structural forces are reshaping the transatlantic relationship.
U.S. Strategic Reorientation
The United States increasingly prioritizes competition with China in the Indo-Pacific region.
This shift may reduce American attention toward European security.
Political Volatility in Washington
Domestic political divisions in the United States create uncertainty regarding long-term foreign policy commitments.
European Strategic Ambitions
European leaders increasingly emphasize the need for independent geopolitical capabilities.
4. Europe’s Strategic Autonomy Debate
Strategic autonomy has become a central concept in European foreign policy discourse.
Advocates argue that Europe must develop:
- independent military capabilities
- strategic technological industries
- resilient energy systems
Critics warn that excessive autonomy could weaken transatlantic cooperation.
5. Possible Strategic Futures
Several scenarios could define the future of the transatlantic relationship.
Scenario 1: Renewed Atlantic Partnership
The alliance remains strong, with Europe increasing its defense contributions while maintaining U.S. leadership.
Scenario 2: Strategic Autonomy within NATO
Europe develops greater capabilities while remaining within the NATO framework.
Scenario 3: Post-Atlantic Security Order
Europe gradually assumes full responsibility for its defense, creating a new continental security architecture.
Conclusion
The transatlantic alliance remains a cornerstone of European security, but its future cannot be taken for granted.
Preparing for strategic uncertainty does not necessarily mean abandoning the alliance. Rather, it requires Europe to develop greater geopolitical capacity.
A more strategically capable Europe could ultimately strengthen—not weaken—the foundations of transatlantic cooperation.
