They used to be allies, but Germany broke the treaty and invaded them, pushing them all the way to Moscow, but then the Soviets pushed them back. After Germany Fell, the USSR attacked Japan's areas in China and some other islands
fun fact, stalin made all his soldiers fight and overwelm nazis with manpower. Germans ran out of bullets because they shot down so many but more kept coming and thats how the soviet union resisted them
Atomic bombs litterally vaporize you, and you can still see people vapor on some steps in hiroshima. Little boy killed between 90,000 and 166,000 people
Tell me something I don't know
Also
Fun fact
The drill for atomic bombs in schools back then was to cover your head and go under a table
Like how tf is that gonna save you from debris when you're gonna be vaporized by the heat and radiation before anything can fall on you