Domestic+Prisons+Internment,+and+Violence+Against+Citizens

In what ways was violence against civilians by their own government enacted and legitimized because of the war?

Thesis:

Germany - Hitler used his new position to promote his own plans for German expansion and so-called racial purification.

United States - The United States government used the tensions between the US and Japan as rationalization for imprisoning innocent Japanese Americans in secret internment camps.

Russia -

France - The French used Gypsies as a scapegoat in order to justify the negative effects of war on France.