I’ve found the expanse to be somewhat loosely analogous, but making the associations is a bit of a stretch I guess.

UN is America, Mars is Israel, Belters are Palestinians or other brown folk.

Or they’re any number of similar analogues.

Spoilers from the last books (post the current end of the show)

! The entire premise of the current leadership is endless unchecked growth !<

! This mirrors the Laconian goal of superiority through holding onto what’s basically a free infinite energy machine, only it’s not really free, it’s just being stolen from neighboring universes who’s very advanced inhabitants really don’t like that. !<

! We see the same hubris from the people in charge thinking that just a little more control or a little more power will be enough to save us, when really the answer is to let go and stop trying to control everything !<