Hitler needed a way to blame all of Germany's problems on something, by doing this he could alienate the Jews and justify his hatred towards them
How the Nazis persecuted the Jews: key dates
1933
Boycott of Jewish businesses.Jewish civil servants, lawyers and teachers sacked.Race Science lessons to teach that Jews are untermensch [Untermensch: A German word for a person who is considered inferior. ].
1935
'Jews not wanted here' signs put up at swimming pools etc.
Nuremberg laws (15 September) Jews could not be citizens. They were not allowed to vote or to marry a German.
1938
Jews could not be doctors.Jews had to add the name Israel (men) or Sarah (women) to their name.Jewish children forbidden to go to school.
Kristallnacht (9 November) - attacks on Jewish homes, businesses and synagogues [Synagogues: These are places of Jewish worship and community.].
1939
Jews were forbidden to own a business, or own a radio.Jews were forced to live in ghettoes.
1941
Army Einsatzgruppen squads in Russia started mass-shootings of Jews.All Jews were forced to wear a yellow star of David.
1942
Wansee Conference (20 January) decided on the Final Solution, which was to gas all Europe's Jews. The main death camps were at Auschwitz, Treblinka and Sobibor.
The main difference between being poor in America and Europe in the 19th century etc. was that America offered much more opportunities due to the fact that it was a nation that was being built up from the ground. This meant that poor people and people of low education could at least get various jobs in construction and related things whereas in Europe, the opportunities for such people were much smaller.
By people that have the greater good in mind
slums and tenements because the urban environment was very poor