The Soviet Union bled heavily to defeat fascism, true. But it was also an industrial war. US lend-lease aid was critical to converting sacrifices into victory. As Kruschev himself wrote, "If the United States had not helped us, we would not have won the war." https://twitter.com/freedomrideblog/status/1391432826415878147">https://twitter.com/freedomri...
The materiel included weapons (including tanks, aircraft), raw materials, food, boots, trucks, fuel, telephone wire, tractors, gasoline, metals, aluminium, etc. Some the western powers delivered via US-UK-Can Arctic convoys, which themselves diverted the Kriegsmarine & Luftwaffe.
And the US & British war effort had important diversionary effects on the Reich, tying down perhaps a quarter of its land forces and fixing large parts of the Luftwaffe over European skies.