What deterent? The treaty is worth less as paper than toilet paper.
Unfortunately, probably true. Our population is unarmed, our military handicapped by crap USAian military goods and the general population is a dependent bunch of idiots.
We don't.
Economically, China is already here and has been since gold was discovered (majority chinese population then). Now, they are slowly becoming the dominant overseas shareholder and slowly replacin the USA.
Militarily, China hasn't demonstrated the capacity to translocate a significant force a few thousand miles across the sea. Big difference from pretty boys goose stepping in the square to fighting OS.