This could be a good place to
Post a reminder that in 1995, Ukraine agreed to hand over all its nuclear weapons to Russia in return of a promise to not threaten or use military force against Ukraine.
Maybe because these were radically different times, and the "we've always been at war with X or Y" is just a narrative? No, of course not, what a nonsense.
https://en.m.wikipedia.org/wiki/Budapest_Memorandum