World War II: Battlefield Europe

The topic of World War II’s European Theater is so vast that it requires an expert historian to make sense of it all. How was the war in Europe fought over the course of seven long, arduous years? What led to Germany’s early sustained gains, and what eventually stymied its advances? Why did the war in Europe unfold the way it did, and what socio-economic factors led to Germany’s unconditional surrender after millions of lives were lost?