There are many theories about this. I like this youtubers analysis note: contains a short sponsored ad for a game of US vs China entirely on their own. [1] He

There are many theories about this. I like this youtubers analysis note: contains a short sponsored ad for a game of US vs China entirely on their own. [1] He offers some decent insight on numbers and logistics. In reality several countries would jump in on both side as their future would be impacted heavily by who comes out ahead. [1] - https://www.youtube.com/watch?v=FxYwD_n21wI https://www.youtube.com/watch?v=FxYwD_n21wI