The correct answer for the question that is being presented above is this one: "Basically, Stalin himself is not part or not one of the signatories to the Atlantic Charter. At that time is the foundation document for NATO, which is an anti-Soviet alliance. USSR occupied many nations for the reason of protection of the borders and creation of buffer zone. For Germany, it is an assurance that Russia won't be able to invade Russia."
He cared greatly for the environment and helped to preserve many places such as Yosemite national park and crater lake
