Instead of killing all the Jews, for money and their possessions, the Nazis thought of a better way to use them so they made them work for them instead of doing the work theirselves, thus saving a lot of time for their plans
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 camps were mainly in Germany and in Nazi-occupied Poland.
The extermination camps were top secret.
The Allies (including Britain) stopped the Nazi concentration camps and the Holocaust by invading and defeating Nazi Germany.
Your question should really be stated in the past tense, since the Nazi death camps were closed in 1945. In those camps, people were imprisoned, abused, starved, and killed.