Earlier quoted context omitted.
Nazi Germany won clear victories against Poland and France. Had UK given up and signed a peace with Germany then it could have been possible that there wouldn't have been what we call WW2 today at all. Given what Germans planned to do then fortunately it didn't happen. We can thank stubbornness of Churchill for this. But Germany made it even worse - it declared war on United States. But there were no treaties between…
The Wehrmacht was stopped before Moscow by the Soviets before lend-lease supplies had any meaningful impact. And the Soviet would not have ended the war when the UK exited it. Which never was an option to begin with, a seperate peace with the western allies was one Hitler's many pipe dreams. The victory against Poland was, in the end, meaningless with the failure of Barbarossa. As was the victory against France in th…
Wehrmacht rapid advance was stopped, but it didn't yet mean pushing them out would have been possible without tremendous material support through lend lease, without what there wouldn't have been any adequate Red Army logistics and armor.
USSR was able to produce around 40 000 tanks and this force overwhelmed German armor capacity, but they were able build this much only considering that US provided 400 000 trucks, if it was not so, considerable amount of tank building capacity would have to had been shared to build trucks, but even then the steel to build tanks came from US. On top of this USSR got 14 000 planes and also rail wagons and engines.
If there was a pipe dream then it was Red Army countering Wehrmacht without US material support. Russians like to minuscule the importance of US support but it was substantial and most likely essential for their victory.