Well, if we don't pay our debt down, I would think the Chinese would want some US real estate to take as collateral. But they don't want a war. They have to wait for us to be disarmed first.
“Experience should teach us to be most on our guard to protect liberty when the Government’s purposes are beneficent. Men born to freedom are naturally alert to repel invasion of their liberty by evil-minded rulers. The greatest dangers to liberty lurk in insidious encroachment by men of zeal, well-meaning but without understanding.” — James Madison