Economic collapse will cost America its dominant role.

Orson Scott Card : Author
“Worldwide economic collapse will have cost America its dominant world role; but it will not result in Russian hegemony; their economy is too dependent on the world economy to maintain an irresistible military force.”

In 1987 the L. Ron Hubbard Writers of the Future sealed into a time capsule predictions for 2012 made by a number of science fiction writers. The capsule was extracted and opened 25 years later, in 2012.
As of 2012, following the prolonged economic crises of 2007-2008 in much of the west, China is the world's largest trading economy. Source: