Answer:
In January 1945, Auschwitz was overrun by Russian soldiers. It was the largest extermination and concentration camp, to which over a million people had been deported from all over Europe. Upon liberation, only a few thousand prisoners remained. Most of the surviving prisoners had been taken away on death marches.
Step-by-step explanation:
In addition to the mass murder of well over a million Jewish men, women and children, and tens of thousands of Polish victims, Auschwitz also served as a camp for the racial murder of thousands of Roma and Sinti and prisoners of several European nationalities.