they were in Germany and through out Europe.
Through violence.
Allied troops overran Nazi positions in 1945 and liberated the camps through direct military force.
The ending of the Nazi camps came where when the USSR liberated them.
Ghettos, concentration camps and extermination camps.
No, but it had the Mauthausen group of camps.
By Adolf Hilter, He decided to build the Nazi camps but it was people who were going to be in it akak Labout workers who actually built the camps.
Nazi leaders wanted to keep the existence of extermination camps secret.
camps where hostages were held and killed for reprisals
Auschwitz-Birkenau (the Auschwitz group of camps).
No but they did have letters
The Nazis operated concentration camps from March 1933 till May 1945.