Poles (torn) apart

With global warming, the vital sea lanes through the Arctic become both economically and strategically vital. How vital?

https://www.military.com/daily-news/opinions/2020/09/09/us-polar-strategy-and-geopolitics-of-antarctica.html

For a foretaste of potential conflicts to come, read on:

This is the Future of War

https://www.amazon.com/gp/product/B07J3P42HF