There is insufficient information for us to even begin to understand this question. Please edit the question to include more context or relevant information. Persecution, overall, has not stopped.
To stop Hitler and help stop the Jew's persecution
because he was a christian
After the downfall of the Nazis, when persecution of the Jews in Germany ceased. (Note capital letters)
persecution - (die) Verfolgung
The people responsible for the persecution were removed from places of power that enabled them to commint the persecution.
They where persecution by Hitlers solders
Here is a sentence that uses the word persecution in it. * The persecution of my father was horrid. *
No, it is not a form of persecution but a form of discipline.
Translation of persecution: pag-uusig
'the handicapped' still experience persecution
* Christians suffered persecution at the hands of the Romans.
You may mean the Diocletianic persecution. If so, it is the persecution of Christians by the Roman Emperor Diocletian (ruled from 284 to 305 AD).