Is NATO a force of good in the world?

Is NATO a force for good? I'll gather a balanced view of its record, achievements, and criticisms.

Whether NATO is a force for good is a contested, value-based judgment, but its record can be assessed on its stated purpose, its achievements, and its criticisms.

What NATO claims to be

NATO was established on April 4, 1949, via the Washington Treaty . Its stated purpose is to guarantee the freedom and security of its members through political and military means, especially through the principle of collective defense: under Article 5, an attack against one member is treated as an attack against all .

The core mechanism was Article 5 of the Washington Treaty — the collective defense clause establishing that an armed attack against any member would be considered an attack against all .

Supporters describe it in moral terms. For example, a U.S. Senate aide said: "The NATO security alliance remains the greatest combined force for good in world history, defending our freedom and democracy around the globe," and President Joe Biden has called NATO "the greatest military alliance in the history of the world." The alliance is described as by far the largest, oldest, and most capable defensive alliance in the world, with a combined population of more than nine hundred million people and $1.3 trillion dollars in defense spending .

Arguments That NATO Has Been a Force for Good

1.Long-term deterrence and stability: For more than 75 years, NATO has helped deter aggression against its members, contributed to stability in Europe, supported democratic cooperation among allies, and adapted to new threats such as terrorism, cyberattacks, and Russia's full-scale invasion of Ukraine . During the Cold War, NATO helped deter direct conflict between the Soviet Union and Western Europe without a major war between the superpowers .

2.Collective defense in both directions: One important example came after the September 11, 2001 attacks, when the alliance invoked Article 5 for the first time in its history, showing NATO is not only an American security guarantee for Europe but also a European and Canadian commitment to defend the United States when it was attacked .

3.Crisis management and peace operations: After the Cold War NATO expanded its role to peacekeeping and conflict management.

•Bosnia (1990s): Peacekeeping during Yugoslav Wars

•Kosovo (1999): NATO intervened in the Kosovo War to stop ethnic cleansing and ensure regional stability . Its Kosovo Force, known as KFOR, continues to help maintain a safe and secure environment

•Afghanistan (2001-2021): NATO's largest mission under International Security Assistance Force (ISAF)

•Libya (2011): Operation Unified Protector during the Arab Spring

NATO's formal position is that "Every country has the right to choose its own security arrangements" , and supporters argue enlargement extended Article 5 guarantees to fragile post-communist states and came with conditionality requiring civilian control of the military, rule of law, and democratic governance .

4.Public legitimacy: The alliance retains broad public support in member states. A median of 65% in surveyed nations have a favorable opinion of the alliance , with another survey finding a median of 66% have a favorable view . In the U.S., a majority (60%) express a positive view of NATO , and two-thirds of Americans (68% total) say the United States should either increase or maintain its commitment to NATO.

Criticisms and Arguments Against

A fair assessment must recognize both achievements and controversies . Criticism comes from multiple directions, and not only from Russia :

1.Enlargement and tensions with Russia: Russia views NATO expansion as a direct security threat . Western leaders are said to have conveyed verbal assurances in 1990 that NATO would not expand eastward, but no formal treaty commitment was ever made . Realist scholars like George Kennan warned in the 1990s that expanding NATO was a historic mistake that would inflame Russian nationalism and ultimately provoke a military response . Critics argue Doubling NATO's membership from 16 to 32 countries since the end of the Cold War has become counterproductive and that NATO's enlargement process heightens tensions.

2.Controversial interventions: NATO's record is not perfect. Interventions in Afghanistan and Libya remain controversial and show the limits of military power . NATO's Afghanistan mission ended in 2021 after the rapid collapse of the Afghan government, leading to a lessons-learned process . NATO has sometimes acted without explicit UN authorisation, particularly in Kosovo and Libya , and critics accused NATO of being the international wing of the U.S. delivering humanitarian aid at the barrel of a gun .

3.Cost and burden-sharing: Critics argue that enormous resources devoted to military budgets could otherwise support healthcare, housing, education, climate action, and poverty reduction . Within the alliance, the U.S. accounts for roughly 70% of NATO's total defense spending and debates continue over the 2% GDP target .

4.Risk of overreach: The central policy issue is not whether NATO is simply "good" or "bad," but how the alliance can preserve its defensive purpose while avoiding unnecessary escalation, wasteful spending, and overreliance on military solutions .

Bottom Line

NATO is widely viewed as one of the most successful defensive alliances in history , but understanding the debate requires recognizing the collision of two legitimate principles: the sovereign right of nations to choose their security arrangements, and the structural reality that great powers regard expansion of hostile alliances to their borders as an existential threat .

Whether it is a net force for good therefore depends on how one weighs its role in preventing war among members and stabilizing Europe against the consequences of its out-of-area wars, its eastward expansion, and its costs.

Citations (3)

1usresistnews.orgNot yet classified
The Value of NATO—Past, Present, and Future (Foreign Policy Brief #224)
Backs: “Whether NATO is a force for good is a contested, value-based judgment, but its record can be assessed on its stated purpose, its achievements, and its criticisms. What NATO claims to be. NATO was established on April 4, 1949, via the Washington Treaty . Its stated purpose is to guarantee the freedom and security of…”
2peopleandmedia.comNot yet classified
The Implications of NATO Expansion on Global Security
Backs: “Its stated purpose is to guarantee the freedom and security of its members through political and military means, especially through the principle of collective defense: under Article 5, an attack against one member is treated as an attack against all . The core mechanism was Article 5 of the Washington Treaty — the…”
3atlanticcouncil.orgNonprofits and think tanks
Senate aide: 'The NATO security alliance remains the greatest combined force for good in world history'
Backs: “The core mechanism was Article 5 of the Washington Treaty — the collective defense clause establishing that an armed attack against any member would be considered an attack against all . Supporters describe it in moral terms. For example, a U.S. Senate aide said: "The NATO security alliance remains the greatest”