Russian aggression in Ukraine may prompt Japan and South Korea to abandon nuclear non-proliferation – here's why

By Christoph Bluth, Professor of International Relations and Security, University of Bradford

The war in Ukraine called into question many of the fundamental pillars of the international order. The European security system that has developed since the dissolution of the Soviet Union and the Warsaw Pact has received a shattering blow. A war of aggression by a major power intent to destroy a neighbouring state and annex significant territories has broken with major taboos, not to mention international law.

Apart from the obvious tragedy for the people of Ukraine,…

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