The killing of a large number or group of people of a particular ethnic group or Nation is called Genocide. An example of genocide is Bosnian Crisis, during the Bosnian Crisis (1992-1995) at least 100,000 people were killed.
After the invasion of Poland, Jewish ghettos were set up all across Europe. The purpose of it was the segregation and confinement of the Jews. Nazis used to call them Jewish Quarter
