“USA alliance with Ukraine”
Just off hand....
https://www.state.gov/u-s-ukraine-charter-on-strategic-partnership/
https://www.state.gov/u-s-security-cooperation-with-ukraine/
https://www.state.gov/u-s-relations-with-ukraine/
-Explainer: The Budapest Memorandum
https://www.rferl.org/a/ukraine-explainer-budapest-memorandum/25280502.html
One more time exactly what is the name of the Alliance that the USA has with Ukraine? And when did congress approve of it.