More Philippine Islands

With ANY PoD after 1900 (except nuclear war), what would it take for the Philippines to have undisputed control over the Spratly Islands and Scarborough Shoal until modern day?
 
With ANY PoD after 1900 (except nuclear war), what would it take for the Philippines to have undisputed control over the Spratly Islands and Scarborough Shoal until modern day?
The world goes nuclear, the Philippines survives due to an act of god and colonizes the West Philippine Sea while everyone is busy re-enacting Mad Max and Fallout.
 
Top