Spartacus, this question has been a deep one. Why did the Allies, especially America, did not do anything to combat racism in their armies?

[NormanStewart]

That’s quite the biased way of looking at the '40s, my friend. May I suggest this editorial from 1941?

Man lynched by Florida mob (5-13-41)

The Pittsburgh Press (May 17, 1941) FAIR ENOUGH By Westbrook Pegler New York – According to the newspaper accounts, the lynching of a Negro in a little town in northwestern Florida a few nights ago was an episode which, for bestiality, could be matched only in cultural exercises of the super-race of Adolf Hitler. Suspected but not yet formally accused of criminal assault on a white child, the victim was roped to a tree, shot and left for dead, but crawled to a refuge and there was recaptu…