evidence: The decades-old dispute between Russia and Japan over the status of the Kuril Islands is far from over. Tokyo, which refers to the islands as the Northern Territories, still insists on a peace treaty with Moscow that would result in Russia’s return of at least two out of four islands to Japan, while the Kremlin keeps militarising the disputed territory. [...] A potential return of the Kuril Islands to Japan would be interpreted as a clear sign of Russian weakness, which means that Moscow could also face strong pressure from the West to return Crimea to Ukraine. [...] Finally, a potential return of the Kuril Islands to Japan would be interpreted as a clear sign of Russian weakness, which means that Moscow could also face strong pressure from the West to return Crimea to Ukraine. Such a process would not only mean Russian humiliation in the global arena, but could also result in a serious political crisis that could lead to a breakup of the Russian Federation.