That is simply not true. Britain trades with the US. The US trades with Japan. We even have a budding relationship with the Vietnamese, while the Chinese do not. The Japanese are despised by the Chinese to this day. Those who treat the defeated with dignity and respect and help them recover can meet later in friendship and trade.
The only time this hasn't worked is in the Middle East. Of course, they still remember the Crusades.
I find it ironic that you should mention Britain. Other than 9/11 and other attempts since 9/11, Britain and Japan are the only two countries on the planet which have attacked the USA and Britain did it twice. Why are they our supposed ‘friends’?
Don’t say Mexico because Texas was not a state when Mexico attacked a then possession of Mexico.
Both Britain and Japan are countries which should be our bitter, untrustworthy enemies.
Yes, Chinese hate Japanese because they remember the Nanjing massacre and I do not blame the Chinese. The Japanese showed their brutality not only to Nanjing residents but to our troops, too, a la “The Bataan Death March”.
However, we do all have our opinions. ;-)