NATO-Russia Clash: Proxy War to Declared War to WW3?

There have been many theories about the cause of the terrible war in Ukraine that started with the Russia invasion of Ukraine on 24 Feb 2022. Most blame it squarely on Russia for the 'unprovoked war', but other also refer to the tragic strategic choices of NATO and Ukraine for precipitating the war. Which theory is the more believable one?Could it be that all three parties are directly responsible for this war?And what are the merits and pitfalls of the strategies of the West and NATO in response to this war? Are they appropriate and effective? Or are they misguided and dangerous? Are they playing with fire, and unconscionably disregarding the terrible risk of WW3?Has Russian president Putin miscalculated badly in launching this war? Is he now struggling to find ways to dig himself and Russia out of the deep hole? What would he do next?What is the impact on the whole world?These are important questions addressed in this book.