In 1996, Doctor George Stanton, who belonged to the Department of State, designed and described thoroughly the "Eight Stages of Genocide." He did this in order to detect the stages and prevent genocide from happening.
During Adolf Hitler´s Nazi regime, all types of bad propaganda such as cartoons and caricatures were reported in local newspapers with the aim of portraying Jews as stingy,selfish,corrupt and subhuman. These actions are part of the stage of dehumanization. The main purpose of this phase is to describe a group of people as animals,disease or something that is not worth living. In addition, the government who is exerting this power believes it has the right to violate every human right of the targeted people by ,as the Nazis did, launching negative propaganda campaigns.
Most people did not like Christians because they refused to worship the gods and did not participate in sacrifices even though it was expected from them at that time.
Before Constantine. The first recorded official persecution of Christians on behalf of the Roman Empire was in AD 64, when, as reported by the Roman historian Tacitus, Emperor Nero attempted to blame Christians for the Great Fire of Rome.