One of the greatest atrocities in history occurred during world war 2 when the nazis institudted the sysmatic killing over 6 million jews and other ethnic groups. what is the name of this grroup

The answer you are looking for is probably Slavs.

Explanation:

Of the 11 million killed in the holocaust, 5 million were not jewish. The Nazi regime exterminated Gypsies, homosexuals, Blacks, the physically and mentally disabled, political opponents, and Slavic peoples, to name a few. Out of all these, Slavic peoples, or Slavs, most closely match the criteria of the question as an ethnic group.

It's "The Holocaust"

Explaination:

Pay more attention in school this was a huge disaster!

the urdan working class

they bring people together to achieve control of the government

basically choosinng what sets in   congress and presdicny this is to keepthe antion hole and so it can last because wiht out authority it wouldnt last a week