Sure, there's political polarization in the US that goes back to the Civil War. I talk about that bigger issue in my series on modern conservatism. Elsewhere, I even point to climatological causes of this polarization.

https://medium.com/grim-tidings/telling-the-brutal-truth-about-conservatism-89984745f17?sk=174085419fe90365a3544149dc494c58

https://aninjusticemag.com/does-global-warming-guarantee-autocracy-in-the-usa-151987a4256a?sk=333ca2257bc05671809e77915127beb4