hum... I suppose you have a clear idea as to what could have been done to stop Russia from invading Ukraine?

How about explaining it in a couple of succinct paragraphs in your own words?

[And if it's "implement Minsk", then consider the possibility that the non-cooperation or the separatist side may have been a deliberate tactic piloted by Putin]

_{It is rightly acknowledged that people of faith have no monopoly of virtue - Queen Elizabeth II}