Why did the Allies win the Second World War?

The Allies secured victory in World War II when Germany was overwhelmed by the strength of the Soviet Red Army, aid from the United States and the strategy of the United States Air Force. The war ended with the surrender of Germany on May 7, 1945. read more

For the Allies in World War Two, the defeat of Germany was their priority. Italy and Japan never posed the same kind of threat as the European superpower they fought alongside. Their defeat, costly though it was, became irresistible. The key to ending the world crisis was the defeat of Hitler's Germany. read more

Quick Answer. The Allies secured victory in World War II when Germany was overwhelmed by the strength of the Soviet Red Army, aid from the United States and the strategy of the United States Air Force. The war ended with the surrender of Germany on May 7, 1945. read more

The first years of the War were fought quite poorly by the Allies because, mainly, of their lack of preparation. To have a chance of winning the war the Allies decided to improve their qualitative performances and further the technological skills they possessed. read more