Remember Trump's first impeachment? The Uniparty went ape***t after Trump mentioned looking into Ukraine. I suspect that country was/is the main laundromat for the corrupt in Western Europe and the US.
How else do you explain an almost fanatical devotion to the point of risking a nuclear exchange?
One explanation is they don't want a repeat of WWII.
Russia and Putin are following Hitler's playbook very closely.
The big difference is the Ukrainians and Europeans have refused to go along with a Chamberlain type response.