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The USSR entered the war against Japan on August 9, 1945
(lemmygrad.ml)
And then the U.S. blew up hundreds of thousands of civilians just to 1) scare them and 2) end the war before the Soviets could help enough to demand concessions from the japanese
The Good Guys (tm)
This is the general history subcom. Anything relating to history is welcome here. Doesn't have to be Marxist, though it certainly can be. So join in on the discussion and let's learn more.