Uggh....damn you backroom!!

I'll concede the fact that a certain feeling that Germany was better was partially behind the war. But which nation goes to war thinking themselves inferior then their enemy? Would be a bit illogical I would say...

It was not the major driving force for war. After World War I, Germany was treated as one of the sole perpetrators, when it was not even the aggressor. A series of alliances dragged them into the war, and with enemies on both sides the aggressive attacks you say by the Germans were only part of their strategy to deal with enemies on both borders.

After the war the Versailles treaty not only crippled Germany economically, but humiliated them. They had land carved away from them for a number of other countries. Hitler came to power and immediately changed everything. Not only did he help to eliminate corruption in Germany, he was one who would stand up to the French and British. He started a vast form of reform for public roads etc (autobahn) which created numerous jobs and began to stimulate the economy as well as war production.

Germany slowly made her military strong again to restore the honor of the German people. They brought Austria back to them in the Anschluss and annexed several areas with high German ethnic majorities. As evident by the end of the war, they were at a series lack for natural resources, which they needed to get elsewhere (scandanavia for iron ores and precious metal, Romania for oil etc).

The German people were tired of humiliation and wanted to rebuild an empire based on expansionalism and militarism, I will not disagree. But to say it was based on Hitler's idea of lebensraum and an inferior race is absurd. In fact, much of the belief of the inferior race came from the far more outspoken Himmler than Hitler ever said (and in fact Hitler often made fun of him for this).

Not justifying an aggressive attitude, but it wasn't based on a notion of a superior race...