A way that German aggression was shown after 1900 was due to the way that Adolf Hitler led the Nazi army in the holocaust.
What was the holocaust?
This was a period of Jewish extermination by the Nazi people of Germany. They tried to rise in power all over Europe through this.
Millions of Jews were killed because Hitler saw them as inferior people in Europe.
Read more on Hitler here: https://brainly.com/question/882551
