Is China a Killy Sill?

You could argue, and please do with me if you think i'm wrong, that maybe china has not quite a killy sill, but weaknesses. And where it has big trade deficits of energy, inforce, energy food, is a net an forcer. Demographic in falling fertility rates, aging population. Those things could be construed to be so many weaknesses, or maybe insecurities a they drivege a political strategy. Wants china, the result of what it seizes its weakness is it doesn't need to buy as much energy from the rest of word, r at much food. Does it then become self sufficient, and then have less interest in the rest of