President Vladimir V. Putin has learned from earlier U.S.-led sanctions, and his allies could benefit from a more isolated Russia. https://www.nytimes.com/2022/02/22/us/politics/russia-biden-sanctions-ukraine.html
Ukraine's problem is becoming US' problem. it shouldn't. let European Union solve their own problem(s). US would just supply fuel, materials, logistics support to Ukraine.
Well you wouldn't have a military that is full of trannies, thats for sure: Biden and the Democrats have turned the US military into a bad joke. Putin and Xi no longer fear the US.