Maybe “The US and its allies”?
I mean Japan is typically included as part of The West, and it is to the east of China. Cuba is in the western hemisphere, but it is Marxist-Leninist. I don’t think directional terms of the globe make as much sense in the 21st century as they did in the premodern world.
Yeah and characterizing the US response as “piss off” is melodramatic at best