when nato expansion happened, george kennan, the man who designed containment theory, wrote an op ed in the new york times saying, you can't let nato expand too close to russia's borders. um, obviously putin was unhappy as more and more former soviet states did exactly that. the president didn't quite have his history with. right, with the vice, with then vice president biden and then later president biden. um, in those positions, biden took the position, took the position that at some point ukraine might qualify to join nato, but that it wasn't ready because of internal corruption. it hadn't yet met the standards that were there. and so biden has never pushed for ukraine to join nato. in fact, he's slowed down the effort. um, but that's all, you know, sort of water under the bridge for, uh, president-elect trump, who was basically setting himself up to say, okay, part of this will be a commitment that ukraine doesn't join nato for 20 years or 30 years or so forth, where i really was trying to push him was was he willing to provide some other kind of security guarantee to ukraine? so