I concur as to the excellent video course. I signed up for the Hillsdale course and enjoyed Hanson immensely. I am reasonable knowledgeable about WWII with some detail. Hanson’s views were fresh to me and very enlightening.
He makes it clear that after the U.S. gets involved and through the tough first months, the outcome is inevitable. Many military historians hold this view, but Hanson expresses it with a different twist that is significant, substantial and enlightening.
From a standpoint of industrial production, that's true. But the fighting and dying still needed to be done. And also keep the Soviets in the war, tying down the Wehrmacht. I don't believe it was a foregone conclusion, and it took the Allies holding to the unconditional surrender demand that prevented some kind of other peace, which would have probably led to another big war in the future. Plus, to win it quickly enough to keep the Germans from developing the bomb and other advanced weapons. They did manage very limited production of jet aircraft. And if they had been able to attach more lethal warheads to the V-2....