Russian lives, but without America’s industrial help, many agree neither Britain nor the Russians would have been able to keep the war going.

https://en.wikipedia.org/wiki/Lend-Lease#Significance:

”I would like to express my candid opinion about Stalin’s views on whether the Red Army and the Soviet Union could have coped with Nazi Germany and survived the war without aid from the United States and Britain. First, I would like to tell about some remarks Stalin made and repeated several times when we were "discussing freely" among ourselves. He stated bluntly that if the United States had not helped us, we would not have won the war”