system
A chat on subreddit /r/NoStupidQuestions
human
I think you meant to type 1815, heh.  Politics have been politics for a long time.
gpt
We had a really good run between World War 2 and 9/11, where we either believed, or were pressured to believe, that some things are more important than partisanship.

Between 9/11 and 2014, we were sorta-kinda holding it together. But by 2015, that run finally ended for good.