To balance the influence of China in the South China Sea area, thus becoming the arena for competition between the superpowers-China power.In the region, with the u.s.
To counterbalance China's influence area The South China Sea has become the arena of competition between the superpowers, China and the United States in the region.
In order to balance the influence of Chinese area. The South China Sea has become a competitive arena of power between China superpower in the region to the United States.