Also, are you aware of this?: https://www.armscontrol.org/act/2019-09/news/us-completes-in...
As for INF, US withdrawal was a response to Russia testing infringing missiles first.
https://www.npr.org/2019/02/05/691521600/russia-pulls-out-of...
https://www.ukrinform.net/rubric-polytics/3503924-president-...
https://en.m.wikipedia.org/wiki/Budapest_Memorandum