Is There a Cold War in Antarctica?

I do not know if there were bombs set off in antarctica. I remember reading, like, a couple of articles about how the ice in antarctic has absorbed way more radiation than it should. The other thing i wondered about was, how, am, how did the ending work for you? Ye. When when the game went to full release, and my sort of, you know, review copy rolled over to a release copy. But then suddenly my save got reset. So i watched the last forty five minutes or so on youtube. And that big scene towards the end where he has the big fight with with the main with the with clara im, how was that working