Lets not be stupid now, China has one of the largest (if not the largest) military in the world, with our resources stretched to Iraq would the U.S really try to push its weight around with China?

Matt (halfbaked) hit the nail on the head, who are we to assume or expect aid from them?

The falling value of the U.S dollar will bring back jobs to the U.S, as long as inflation does not get out of hand a less valuable dollar isn't always a bad thing.