Cannada's Enlightened National Interest: Multilateralism and NATO

Canada and the United States, are bound together through NORAD, sharing responsibility for the defence of North America, a rational choice shaped by geography. Since 1949, they have also been bound through NATO, sharing responsibility for the security of the Euro-Atlantic region alongside thirty other European Allies.

Their partnership extends well beyond military cooperation. Through the Canada-United States-Mexico Agreement (CUSMA), the economies of the three North American neighbours are deeply integrated. The world’s longest undefended land is, for most practical purposes, almost invisible. Trade, investment, manufacturing, energy, aviation, automotive and supply chains move across it with ease. Families live and holiday on both sides, while millions cross the border each year for work, business and leisure. By every measure, Canada-United States relationship remains one of the closest and most successful partnerships in the world.

Yet even the strongest partnerships require constant attention and care. Trade disputes, tariffs, and occasional references to Canada becoming the “51st state” are a sign that even the closest relationships between sovereign nations, even ones that are bound closely together through geography and history, cannot be taken for granted. Geography creates neighbours; it is trust that sustains partnership. The NATO Summit in Ankara on 7–8 July 2026 brought this truth into sharp focus for the Alliance as a whole.

By most measures, the summit was successful.  Allies reaffirmed their commitment to Article 5 and advanced the defence investment commitment set at The Hague in 2025—to reach 5 per cent of GDP on defence and related security spending by 2035. European Allies and Canada together increased core defence investments by more than $139 billion in 2025 alone. Leaders announced more than $50 billion in new procurements spanning deep precision strike, integrated air and missile defence, uncrewed systems and intelligence capabilities. They endorsed a Strategy for Industry-NATO Cooperation, committed to expanding collective manufacturing capacity, and pledged €70 billion in military equipment, assistance and training for Ukraine in 2026, with sovereign commitments to sustain equivalent levels in 2027. NATO is clearly strengthening its military capabilities, and European Allies and Canada are assuming greater responsibility for collective defence.

Whether the Alliance is strengthening its political cohesion with equal determination is less certain. Military capability is indispensable, but alliances ultimately are based upon trust. This question extends beyond NATO itself. If confidence can fray between North America’s closest neighbours—whose economies, security architectures and societies are deeply interconnected—what does that imply for an alliance of thirty-two sovereign democracies?

The Canada–United States relationship illustrates the point. For years Canada lagged NATO defence spending benchmarks, around 1.3 – 1.4% vs the 2% benchmark, creating understandable frustration in Washington. Recent Canadian projects that are investing in new submarines, icebreakers, aircraft, missiles, cyber capabilities and industrial partnerships signal a serious course correction and a clearer path toward the 5 per cent commitment. Yet differences over Arctic priorities, NORAD modernization costs, trade remedies and approaches towards China remain.

Trust is reciprocal. Rhetoric from either capital that treats the relationship as transactional rather than strategic erodes the confidence on which seamless cooperation depends. History demonstrates that military capability alone has never sustained alliances. They endure because sovereign partners believe they share a common purpose, will be treated with respect and will be consulted as equals.

Canada has long understood this reality. It fought alongside its Allies in two World Wars, became a founding member of NATO, helped shape the post-war international order, contributed to United Nations peacekeeping, and partnered with the United States through NORAD. These were not acts of idealism detached from national interest. They reflected a clear reading of Canada’s geography and history. Geography placed Canada beside the world’s most powerful country, sharing the longest land border with it. History demonstrated that Canada’s prosperity, security and international influence would be best advanced by embedding itself within trusted institutions and reliable partnerships. For Canada, multilateralism has never been an alternative to national interest; it has been one of the most effective expressions.

This perspective gives renewed relevance to an often-overlooked provision of the North Atlantic Treaty. While Article 5 rightly commands attention, Article 2 calls upon Allies to strengthen their “free institutions”, promote “conditions of stability and well-being”,  and “seek to eliminate conflict in their international economic policies” while encouraging “economic collaboration”. In practice, Article 2 has been the most neglected clause of the treaty for decades. Yet it provides the foundation on which Article 5 ultimately rests. Collective defence is credible only when political confidence already exists. Military capability can deter aggression; it cannot, by itself, create trust.

In an era of industrial competition, fragile supply chains and growing pressure on democratic institutions, the practical meaning of Article 2 deserves renewed attention. Closer coordination of economic policy, stronger industrial cooperation and the patient management of differences before they harden into resentment are no less important than increased military capability.

Disagreement among Allies is neither unusual nor unhealthy. Sovereign democracies will continue to pursue distinct interests and debate spending, trade and foreign-policy priorities. Current differences over the future American military presence in Europe, the balance between European strategic autonomy and transatlantic solidarity and the relative priority accorded to the Indo-Pacific reflect enduring structural questions rather than tactical disagreements. The challenge is not to eliminate differences but to prevent them form undermining the confidence necessary for effective cooperation. This is where Canada continues to have an important role.

As Canada invests more in defence and assumes greater responsibility within NATO, it can also contribute something less tangible but equally strategic: a tradition of bridge-building, patient consultation and respect for multilateral process. In a more fragmented world these are strategic assets rather than diplomatic niceties. Higher defence spending will give Canada a stronger voice, but influence will continue to depend on being regarded as a reliable partner capable of helping preserve consensus when larger Allies pull in different directions.

The Ankara Summit demonstrated that NATO is becoming stronger militarily. It also offers an opportunity to reflect on something deeper. The Alliance’s greatest strength has never been its weapons alone, but the trust that enables sovereign democracies to act together in pursuit of a common purpose. For Canada that has never been a matter of sentiment. It has been a matter of enlightened national interest. In an age of intensifying geopolitical competition and growing political pressures on alliances, that trust may remain Canada’s most enduring contribution to NATO, and one of the surest ways of advancing its own national interest.

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