When your natural resources shrinking, you need to expand if your entire economy depending on that sources.

China will soon be more aggressive as any other empires.

>China will soon be more aggressive as any other empires.

in its entire history it has never invaded outside its traditional borders, and it achieved all this without invading or enslaving people. It will continue this way in future too :)

Let’s pray renewables become standard before any empire becomes thirsty for this.