Earlier quoted context omitted.
Which threats and treaties, specifically? I don't have a great memory - so please share actual sources. Also, are you aware of this?: https://www.armscontrol.org/act/2019-09/news/us-completes-in...
https://en.wikipedia.org/wiki/Budapest_Memorandum 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...