In May 2022, Finland, along with its Nordic neighbor Sweden, applied for NATO membership. It took less than a year for it to formally become NATO’s 31st member. With this, NATO’s border with Russia has more than doubled – from 1,200 km to 2,500 km.

How does this development change the security architecture of Europe? Will it lead to a militarization of the Russia-Finland border? How big a strategic setback is this for Russian President Vladimir Putin?

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