any talk between RF and USA would result in unacceptable defeat of USA.

Well, that's how the neocons would see it. Russiagate 2 is already being promoted to explain Trump's victory. Can expect RDS (Russia Derangement Syndrome) to take hold again.

Might try to dump Ukraine on the Europeans. I think there is a German election coming up.

Likely to pivot more to Iran and China. Going by his last term, I think he sees China as the main enemy.

But, he doesn't really run things when it comes to foreign policy. The 'deep state' won't surrender hegemony easily.

He's just the bloviating front man. He's unlikely to dare take on the 'swamp' even if he really wants to. They will make that clear.