The mass genocide of 6 million Jews and 3-5 million "undesirables" is called?

The Holocaust

Explanation:

During World War 2 in the 1940s, the Nazis had power in Germany. Under their regime, millions of people, such as Jews, Gypsies, Poles, Russians, homosexuals, the disabled and many more, were killed. These people were considered "inferior", because they were not part of the "master race", known as Aryan.

the soviet union wanted to impose communist governments in eastern europe.

answer; i believe the correct answer is (desert storm);