To understand the events of the 20th century in Germany, we first need to look much further back in time. The Nazi party didn't invent hatred of Jewish people; they tapped into a prejudice that was centuries old. This hostility is called antisemitism.

For a long time, this prejudice was mostly about religion. In Europe during the Middle Ages, where Christianity was the dominant power, Jews were outsiders because they practiced a different faith. They were often forbidden from owning land or holding certain jobs, forcing them into roles like moneylending, which sometimes caused resentment.

In the 1800s, a major shift happened. Ideas about science and nationality were changing how people saw the world. Thinkers started classifying humans into different 'races', based on physical traits and supposed ancestry. Prejudice against Jews began to change from a matter of religious belief to one of blood and biology. Suddenly, it didn't matter if a Jewish person converted to Christianity. In this new, racial way of thinking, they were still seen as fundamentally different, and inferior.

This new form of antisemitism fit neatly into another powerful idea sweeping across Europe: nationalism! As countries like Germany and Italy formed, the idea of a unified national identity became very important. This often meant defining who belonged to the nation and, just as importantly, who didn't. In this climate, Jews were often portrayed as outsiders who could never truly be German, French, or Polish because of their supposed racial identity, not their faith.

When times get tough, people often look for an easy explanation or someone to blame for their problems. This is called scapegoating. Throughout history, Jewish people were frequently cast in this role.

Was there a plague? Blame the Jews for poisoning the wells. Was there a financial crisis? Blame the Jewish bankers. This pattern made Jewish communities vulnerable. By pointing a finger at a minority group, leaders could distract the public from their own failures or from complex problems that didn't have simple solutions.

This long history of religious and racial prejudice, combined with the tendency to use Jews as scapegoats, created a dangerous foundation. The Nazis did not create these ideas, but they exploited them with deadly efficiency. Understanding these roots helps explain how their hateful ideology could take hold in a modern European nation.