Without the U.S. everybody in China would be speaking Japanese.
Absolutely true— and which is why it was prudent policy to preserve the structure and culture of the Japanese nation post WWII. The Kuomintang (Chiang Kai Chec) was the opposition to Mao’s Communists.
The Communist “allies” who fought Japanese alongside— always did so with an eye to the post war strategic gains (much as Stalin did with the Post War European states Soviets took over, from the Allies who gave it all up at Yalta
The Kuomintang were losing (and Mao’s “partnership” made sure lots of them were wiped out by Japanese— he was one SOB murdering psychopath)—and without US intervention and management— and yes interfacing with elements of the Jap Imperialist remnant leadership (and the Yakuza, too- yikes!) kept Japan clear of the Chi-Coms who got rid of all sorts of large numbers of male chinese by putting them in Korea and Mongolia and Soviet border wars in Sino-Soviet border areas. As well as in Vietnam the proxy “civil” war between Soviets and Chi-Coms. The Soviets one that one, and Vietnam tho commie, still hates the chi-coms.