Questions about World War II?

Hitler was a brilliant public speaker, a veteran of the war and a great hater of Communists, as well as the Jews he believed to be supporting them. Germany had no real economy to speak of, the Allies destroyed it, that gave more fuel to Hitler's extremism and brought him great support. The communists were the evolution of the Bolsheviks in Russia and were trying to spread socialism across the world. Stalingrad was important in the war because it stood between Hitler and Russia's oil fields that he desperately needed in order to keep his air force and Panzers moving, hope that helps