As a general rule people who hate a particular race, religion or creed do so because of fear or ignorance. It is also encouraged by people with an agenda against that group, using Propaganda, half truths and lies. Hatred also underlies much violence in the world. If people stopped exerting so much energy toward hating people who are different, they might just have the energy to rebuild this world to be a happier place.
Many of the original causes of Anti-Semitism have not been "cured". To see what those are, please read the Related Question below.
Because so many Christians are decent people.
people felt that it was god's anger. Many thought it is conspiracy by jews.
Basically because no one stood up for them. (the Jews)
Please see the Related Questions linked to below.Why do people hate the Jews?Why did the Nazis hate the JewsWhy do some Christians hate Jews?Why do some Muslims hate Jews?
People.See also:Why were many Jews so passive in WW2?Why didn't the Jews leave Europe before WW2?Why do you think many people didn't notice the harassment of German Jews before World War Two?
the main tragedy people are aware of in the holocaust, many jews were killed in them
In 1948, Jews didn't have a country, so they invaded Palestine, killed many Palestinians, and forced many out. The Jews then changed the name of Palestine to Israel.
Hitler did not only kill Jews but his own people so as to show powerful he is. He used different forms of propaganda so as to cause deaths of innocent people with the majority being Jews.
The Nazis succeeded with their genocide by brainwashing the German people into believing that the Jews were not human and thus killing them was not a sin. This took away the guilt from many young people, and they willingly turned the Jews in for slaughter in gas chambers and concentration camps.
Jews, like all other human beings, can be afraid of many different things depending upon the individual. Some people are afraid of spiders, so as Jews are people it follows that some Jews are afraid of spiders. What are you afraid of? Chances are, somewhere in this world there's a Jew who shares your fear.
maybe it was because he killed 6 million Jews who never did anything to hurt him...
Laziness and stereotyping.