Why did Hitler and the Nazis hate the Jews

Why did Hitler and the Nazis hate the Jews:
Jealousy.
'via Blog this'

Hitler stated: "The war is to be a war of annihilation". His henchman Heinrich Himmler declared: "All Poles will disappear from the world. . . . It is essential that the great German people should consider it as a major task to destroy all Poles."

• 
  To understand the Holocaust you have to understand the Darwinian biology of the time. There was a growing sense, particularly since Ernst Haeckel, that there were those in society who were 'biologically' inferior and that for a 'fit' world to survive and thrive, those who were 'unfit' should be done away with. Instead of letting nature take its course, there was a unspoken sense that humans could take matters into their own hands. I am obviously not supporting this twisted logic, but that is a key to understanding how a number of things converged to create the nightmare of the century. [However, 'biological inferiority' is subjective. In Britain, for example, many Social Darwinists, especially those active in education, were most impressed by the achievements of Jews in schools and universities and concluded that they were a 'superior breed' ... This view was to some extent echoed in Nazi conspiracy theories, which painted a picture of diabolically cunning Jews].

• 
  He didn't only kill Jews. Hitler killed Communists, liberals, homosexuals, gypsies and many other groups, including millions of victims of warfare. Why he did is up for debate, but I'd guess a mixture of antisemitism and stereotypes of the as Jews as Communists, subsersives and all kinds of other things - as a means to an end. A common way to gain power is to spread fear and panic about an enemy (real or imaginary), stir up hatred and present yourself as the only person able to 'save' the country.

• The Jews did absolutely nothing to deserve the treatment they got. Like the Africans and the Indians the Jews were just picked for hatred and unjust things but again they did absolutely nothing!
• Since the 1870s the Jews had been the object of a new wave of demonization and conspiracy theories. On the whole this wasn't taken too seriously in Germany, but in Austria anti Jewish conspiracy theories were spread by extreme right wing politicians and also by the Roman Catholic Church, which knew perfectly well that these theories were rubbish. Young Adolf was a server (altar-boy) and may have been influenced by this.

Some say Hitler and the Nazis were opportunistic demagogues. Inciting hatred of the Jews was the means to an end. The Nazis used hatred of the Jews to unify the German people and create a new German empire. Nothing unites a people more than when they believe they are constantly under attack and fighting a common enemy. The Jews were convenient enemies. Christianity had traditionally blamed the death of Christ on the Jews. One can see in the Bible the statement that the Jews demanded the death of Jesus, and said, "let it be upon our heads and that of our children." This became an excuse to abuse the Jews for more than a thousand years. It was not until the 1960s that the Catholic Church stated that the Jews were NOT to blame for the death of Jesus. Antisemitism was deeply embedded in European and American culture.

• Jealousy. Some Jews were successful and held "visible" positions in Austria and Germany in the 1920s and 1930s. In the Great Depression. Germany was hit the hardest by the worldwide economic depression, and successful Jews were envied.
• Some Germans believed that "Jewish bankers" were responsible for the Treaty of Versailles.
• Jews became a scapegoat for Germany's economic problems. (According to this racist sentiment, "international Jewish financiers had plunged the world into a war and the Depression for their business profit.") 
• The Nazis had a vision of an Aryan German race that specifically excluded Jews and many other groups of people.