Is NATO a force of good in the world?

Is NATO a force for good? I'll give you a balanced look at its record — the case for and against.

NATO - the North Atlantic Treaty Organization - is evaluated differently depending on perspective. Supporters and critics point to different parts of its 75+ year history.

What NATO Is

The agreement founding NATO was signed in Washington D.C. in April 1949 by twelve nations from Europe and North America with the ambition to provide collective security against the Soviet Union, prevent the revival of nationalist militarism in Europe and encourage European political integration.

Its core principle is collective defence, meaning that an attack against one member is considered an attack against all. The organization's fundamental goal is to safeguard Allied freedom and security by political and military means, and it describes itself as committed to democracy, individual liberty and the rule of law, as well as peaceful resolution of disputes.

As of 2024, it has 32 members including the United States, Canada, most European nations, and most recently Finland and Sweden.

Arguments That NATO Is a Force for Good

1. Deterrence and prevention of major war: Supporters describe NATO as a force for peace that stared down the Soviet Union, prevented a larger war in the Balkans, joined in the fight against international terrorism and even now stands ready to defend all NATO territory from Russian aggression. Former Supreme Allied Commander Europe Adm. James Stavridis described it as a NATO alliance that is a force for good in the world. We are far from perfect, but our collective efforts help create security and bring some measure of stability in a dangerous world, and among the most successful alliances in world history.

The alliance is credited with deterring the Soviet Union until it dissolved and providing the basis for intervention in the Balkans. NATO leaders also argue it has safeguarded not only territorial security but also the principles and values of the post-World War international order.

2. Collective defense and solidarity: NATO's principle of collective defense is enshrined in Article 5 of its treaty, which has been invoked only once, following the September 11 attacks in the United States in 2001. That invocation brought European allies to aid the United States in Afghanistan.

3. Peacekeeping and crisis management: NATO forms the core of peacekeeping missions such as the Kosovo Force (KFOR) and led the International Security Assistance Force in Afghanistan. KFOR’s presence significantly contributed to the reduction of violence, protection of civilian populations, and facilitation of the return of refugees in Kosovo.

4. Current deterrence in Europe: After Russia's 2022 invasion of Ukraine, NATO substantially enhanced its own deterrence posture. The alliance deployed 8 battle groups along its eastern flank with the stated mission to defend every inch of alliance territory, while making clear it will not deploy forces to Ukraine itself, which is not a NATO member. Supporters argue this has reassured Central and Eastern European members and prevented wider conflict.

Arguments and Criticisms That NATO Is Not a Force for Good

Critics argue NATO is not a purely defensive alliance given its operations beyond its members' territory.

Specific criticisms include:

Some critics also argue that NATO expansion eastward after the Cold War provoked Russia and escalated tensions, while supporters argue expansion was requested by former communist nations seeking security and was a defensive choice.

Conclusion

Whether NATO is seen as a force for good often depends on how one weighs:

Most assessments acknowledge both elements: an alliance that has provided 70+ years without direct war between members and a strong deterrent, but whose interventions outside its treaty area remain controversial and debated in international law and public opinion.