As the Allies retook control of lands that had been occupied by the Germans, they came across many Nazi camps. In some instances, the Nazis had tried to destroy all evidence of the camps, in order to conceal from the world what had happened there. In other cases, only the buildings remained as the Nazis had sent the prisoners elsewhere, often on death marches.

Rescue is a crucial topic in understanding genocide survival and appreciating the difficult choices that people make in extreme circumstances. Although many stories of survival during the Holocaust are due to unexplained and unexplainable circumstances, there are also numerous accounts of individual and group acts of aid and rescue that contributed to the survival of thousands of Jewish people.