Why does China still pose strategic challenges on global governance

Why does China still pose strategic challenges on global governance

In-depth discussion on this topic:

(1) Why does China still pose strategic challenges on global governance even though Chinese power will not surpass U.S. power anytime soon?

(2) Comparing the three periods of 1991–2000, 2001–2008, and 2009–2014, how has China’s foreign policy changed among these three periods of time?

If you advise the President of the United States, what would you advise?