I did this, more or less, in the original Civ. I was a player in my own game, I built a city in the Arctic, built a military unit in it, then disbanded the rest

I did this, more or less, in the original Civ. I was a player in my own game, I built a city in the Arctic, built a military unit in it, then disbanded the rest of my civilzation. The AI doesn't ever go there.