To accomplish this shift peacefully would be a miracle. This transfer will create great discomfort for the United States. It will be too preoccupied with feeding its own people and making money to want to expand. Hence, every country in the region, including China, wants the United States to stay in the area. Mao put the final nail in the coffin of Confucianism.
Asian country feels it can fully trust Japan.
China sees the United States more as a potential partner than Russia or Japan. China will only become a danger if the United States provokes it, e.g., by an apparent containment policy. The United States has handled China badly. No one in Singapore can understand how the United States can ignore China's leaders while embracing Russia's. China has never been a U.S. enemy like Russia, and Russia has killed thousands more of its own citizens recently.