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> There should be more serious grappling with why the Russians did this (and Crimea in 2014) than "Putin bad". Why don't you give us your explanation? It's just very odd to advocate for an appeasement policy when the aggressor keeps wanting more (first Crimea, then tried to take the whole Ukraine by going straight for the capital). It wasn't just Eastern Ukraine with Russian-speaking population, they went straight to…
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As long as that buffer is inside Russia, I would be fine with it as I suppose most others would.
It's not OK to suggest that countries can have a sphere of influence in 21st century. Each country chooses their alignment and alliance independently. Russia has repeatedly shown to be a poor neighbour, so it shouldn't be a surprise to them if independent countries decide to turn away from Russia.
US and Russia simply can not agree between themselves what should be Ukraine's place in the world. That kind of world order does not exist any more.