Brooks et al - Lean Forward copy

Abstract

The United States has historically committed to a grand strategy of deep engagement since WWII, aimed at protecting its security and prosperity while promoting a liberal economic order. This includes strong defense ties with Europe, East Asia, and the Middle East, involving military bases and deployments to deter threats and maintain stability. Despite variables in policy focus—such as democracy promotion—the fundamental consensus among U.S. presidents has been to sustain deep global engagement, adapting the rationale as circumstances evolve.

U.S. Foreign Policy Objectives

  • Historical Context: During the Cold War, U.S. efforts were primarily to check Soviet expansion in economically affluent regions. Post-Cold War, the goal shifted towards enhancing security and cooperation in these areas to maintain a stable international order.

  • Current Challenges: Today's geopolitical climate presents temptations for the U.S. to withdraw from its engagement strategy due to the rise of China, budget constraints, and military exhaustion from prolonged conflicts.

Arguments for Retrenchment

  • Scholarly Perspective: Over the past decade, many international relations scholars have advocated for a reduction in military presence, suggesting that deep engagement leads to financial waste and fosters anti-American sentiments.

  • Critique of Current Strategy: Proponents argue that pulling back would save resources and reduce involvement in unnecessary conflicts. However, they may overlook the strategic benefits of U.S. engagement, such as maintaining regional stability and preventing rival power escalation.

Evaluating Costs and Benefits of Engagement

  • Cost Analysis: The assertion that engagement is excessively costly is debated, as estimating savings from retrenchment is complex and contingent on various factors, including existing security commitments.

  • Potential Savings: Advocates suggest possible savings of around $900 billion over ten years by reducing military commitments, though this would require a severe contraction of military capabilities.

  • Engagement's Value: Deep engagement fosters alliances that inhibit competition among nations, maintains free trade, and positions the U.S. advantageously during negotiations against global threats.

Military Presence and Costs

  • Budgeting Realities: While defense spending has been criticized, recent trends show reductions in military expenditures without jeopardizing national security—suggesting that America's military posture can be economically sustainable.

  • Deterrence and Stability: U.S. military engagements deter potential aggressors, with historical evidence indicating that engagement promotes regional stability, reducing the likelihood of conflict.

The Illusion of Retrenchment Benefits

  • Counterbalancing: Critics argue that U.S. policies provoke alliances against it, yet no significant evidence shows that global actors are successfully balancing against U.S. military power. Instead, soft-balancing through diplomatic channels remains more prevalent.

  • Economic Impact: There is scant evidence linking defense spending with economic decline. Patterns indicate that major superpowers have lost influence due to rival balancing rather than their commitment to engagement.

Engagement and Human Cost

  • Risk of Entrapment: Critics also cite risks of entrapment where allies might prompt the U.S. into conflicts, but historical analysis shows that great powers can manage their alliances to prevent this risk.

  • Examples of Success: U.S. military involvement has historically been managed to avoid unnecessary conflicts, building on past engagements to ensure alliances do not become liabilities.

Conclusion: The Case for Continued Engagement

Maintaining a global leadership role aligns with American strategic interests, promising benefits that outweigh risks. While there's recognition that U.S. policy should evolve with changing global dynamics, abandoning deep engagement could provoke instability and increase global uncertainties.

Final Thoughts

Advocating for a fundamental shift in U.S. grand strategy toward isolation carries significant risk, potentially leading to a world where the absence of American leadership invites conflict and instability. The current strategy, while needing adaptation, remains vital for maintaining peace and promoting a stable, cooperative international order.