"......As the United States emerged as the dominant power in the Western hemisphere in the 1890s, how did it behave? Future President Theodore Roosevelt personified a nation supremely confident that the 100 years ahead would be an American century. Over a decade that began in 1895 with the U.S. secretary of state declaring the United States “sovereign on this continent,” America liberated Cuba; threatened Britain and Germany with war to force them to accept American positions on disputes in Venezuela and Canada; backed an insurrection that split Colombia to create a new state of Panama (which immediately gave the U.S. concessions to build the Panama Canal); and attempted to overthrow the government of Mexico, which was supported by the United Kingdom and financed by London bankers. In the half century that followed, U.S. military forces intervened in “our hemisphere” on more than 30 separate occasions to settle economic or territorial disputes in terms favorable to Americans, or oust leaders they judged unacceptable...."
With C as the middle kingdom and R trying to regain her past glory, U no more dictates what they want.
U still flexing her muscle but has no more power perhaps only supported by one of the ASEAN countries and also the Jap.