Is Russia's invasion of Ukraine justified?

The question of whether Russia's invasion of Ukraine is justified is one of the most critical geopolitical and legal issues of the 21st century.

There is an overwhelming consensus among international bodies, legal scholars, and the majority of sovereign nations that the invasion is completely unjustified and a direct violation of international law. However, the Russian government has presented several arguments to justify its military actions.

An overview of both the international consensus and the justifications presented by Russia provides a comprehensive look at the issue.

The International Consensus: Why the Invasion is Unjustified

The international community, led by the United Nations, international courts, and legal experts, overwhelmingly rejects any justification for Russia’s invasion. The primary arguments include:

•Violation of the UN Charter: Article 2(4) of the UN Charter strictly prohibits the threat or use of force against the territorial integrity or political independence of any state. In March 2022, the UN General Assembly voted overwhelmingly (141 to 5) to condemn the invasion as an illegal act of aggression, demanding that Russia immediately withdraw its forces.

•No Legal Basis for Self-Defense: Under Article 51 of the UN Charter, military force is only legally permissible in self-defense in response to an actual or imminent armed attack. Because Ukraine did not attack or threaten to attack Russian territory, international legal scholars and the International Court of Justice (ICJ) have ruled that Russia’s self-defense claim has no basis in fact or law.

•Sovereign Right to Choose Alliances: Under foundational European security agreements, such as the 1975 Helsinki Accords, sovereign nations have the right to determine their own foreign policy, choose their own alliances, and maintain territorial integrity. International law does not grant any country a "sphere of influence" that allows it to veto the diplomatic choices of its neighbors.

•Breach of the Budapest Memorandum: In 1994, Ukraine agreed to surrender the world's third-largest nuclear arsenal (which it inherited after the fall of the Soviet Union) in exchange for security assurances. Under the Budapest Memorandum, Russia, the United States, and the United Kingdom formally pledged to respect Ukraine’s independence, sovereignty, and existing borders. The invasion is viewed as a direct violation of this agreement.

•Lack of Factual Basis for Claims of "Genocide": Independent international observers, including the UN and the Organization for Security and Co-operation in Europe (OSCE), found no evidence to support Moscow's claims that Ukraine was committing "genocide" against Russian-speakers in eastern Ukraine.

The Justifications Presented by the Russian Government

The Russian government, led by President Vladimir Putin, has presented several arguments to domestic and international audiences to justify its "Special Military Operation":

•NATO Expansion and National Security: Russia argues that the eastward expansion of the North Atlantic Treaty Organization (NATO)—specifically the prospect of Ukraine joining the alliance—poses an existential, unacceptable security threat to Russia's borders. Moscow claims it was acting preemptively to prevent a hostile military alliance from establishing a presence on its doorstep.

•Protection of Russian-Speaking Populations: Moscow claimed that the Ukrainian government, following the 2014 Euromaidan protests, was pursuing highly discriminatory policies and committing "genocide" against the Russian-speaking population in the eastern Donbas region. Russia argued it had a humanitarian duty to intervene and protect these communities.

•"Demilitarization and Denazification": Russian leadership asserted that Ukraine’s political and military institutions had been heavily influenced by far-right, neo-Nazi ideologies that were fundamentally hostile to Russia, making "denazification" and "demilitarization" necessary for long-term regional peace.

•Collective Self-Defense: Shortly before the February 2022 invasion, Russia recognized the self-proclaimed Donetsk and Luhansk People's Republics in eastern Ukraine as independent states. Moscow then claimed its military intervention was a form of collective self-defense under Article 51 of the UN Charter, acting at the request of these recognized entities.

Counterarguments to Russia's Claims

Critics, historians, and foreign policy experts have widely debunked the justifications put forward by the Russian government:

•On "Denazification": Ukraine’s president, Volodymyr Zelenskyy, is Jewish and lost family members in the Holocaust. Furthermore, far-right and nationalist political parties have consistently failed to win significant representation in Ukraine’s democratic elections, routinely securing less than 2% of the national vote.

•On NATO: NATO is a defensive alliance, and Ukraine was not on a pathway to imminent membership prior to the 2022 invasion due to outstanding territorial disputes and political hurdles.

•On the Donbas Conflict: While the conflict in eastern Ukraine from 2014 to 2022 resulted in tragic civilian casualties on both sides, it was fueled by Russian-backed separatists and direct covert Russian military intervention. No credible international body found evidence of "genocide".

•On Article 51 Self-Defense: Under international law, Donetsk and Luhansk are internationally recognized parts of Ukraine, not independent states. Therefore, Russia could not legally claim "collective self-defense" with them.

Conclusion

While the Russian government maintains that its invasion was a necessary, preemptive measure to defend its national security and protect Russian-speaking populations, the global community overwhelmingly rejects these arguments. From the perspective of international law, the United Nations, and the vast majority of sovereign states, Russia's invasion of Ukraine is an unprovoked, illegal act of aggression that violates the core principles of sovereignty and territorial integrity.

Citations (6)

1cfr.orgNonprofits and think tanks
cfr.org
Backs: “There is an overwhelming consensus among international bodies, legal scholars, and the majority of sovereign nations that the invasion is completely unjustified and a direct violation of international law.”
2wikipedia.orgEncyclopedias and referencequality 0.83
wikipedia.org
Backs: “There is an overwhelming consensus among international bodies, legal scholars, and the majority of sovereign nations that the invasion is completely unjustified and a direct violation of international law.”
3europa.euGovernment
europa.eu
Backs: “In March 2022, the UN General Assembly voted overwhelmingly (141 to 5) to condemn the invasion as an illegal act of aggression, demanding that Russia immediately withdraw its forces. No Legal Basis for Self-Defense: Under Article 51 of the UN Charter, military force is only legally permissible in self-defense in…”
4cer.euNonprofits and think tanks
cer.eu
Backs: “Sovereign Right to Choose Alliances: Under foundational European security agreements, such as the 1975 Helsinki Accords, sovereign nations have the right to determine their own foreign policy, choose their own alliances, and maintain territorial integrity. International law does not grant any country a "sphere of…”
5boell.orgNot yet classified
boell.org
Backs: “Sovereign Right to Choose Alliances: Under foundational European security agreements, such as the 1975 Helsinki Accords, sovereign nations have the right to determine their own foreign policy, choose their own alliances, and maintain territorial integrity. International law does not grant any country a "sphere of…”
6natowatch.orgNot yet classified
natowatch.org
Backs: “International law does not grant any country a "sphere of influence" that allows it to veto the diplomatic choices of its neighbors. Breach of the Budapest Memorandum: In 1994, Ukraine agreed to surrender the world's third-largest nuclear arsenal (which it inherited after the fall of the Soviet Union) in exchange for…”