Putin has said in no uncertain terms that the final objective is the obliteration of Ukraine; borders, language and culture. As his forces are already doing in the occupied Donbas and Crimea. Wake and smell the cultural genocide.
Russia was sitting there as a large bear.
The US and Ukraine decided to build a corrupt relationship. Ukraine has been an extremely corrupt nation for a long time - in terms of its government. They have networks of criminals who are the most adept in the world at stealing credit card info - selling it on the dark web for others to abuse.
The US and Ukraine decided to force NATO. They poked the bear.
Be careful of the propaganda you read.