With Pyongyang fallen and the southern Korean Peninsula within reach, the Empire of Japan began mass mobilization without hesitation.
What had started with a small number of active divisions, and fleets believing victory would be swift and decisive rapidly turned into a national project. Meanwhile, the United States began to fear that Japan might make a move on their Pacific territories.
In particular, the matter of the Philippines was a serious one. Since the Great War reached its height in 1915, and the flames of the anti-colonial sentiment were fanned by the German Reich, particularly in the region.
Armed groups had been gathering, training, and performing low scale urban attacks against U.S. Military presence across the Philippines.
An issue that was largely absent from the public eye, as these attacks occurred infrequently, and were not severe enough for Americans back home to become educated about, let alone press a resolution for.