Answer: There were many different ways.
Step-by-step explanation:
There was a group of all-female pilots who dropped giant bombs but did not have enough room to wear parichutes, there was the angel of Auschwitz who helps more then 3000 babies be born in a concentration camp, there were many underground orginizations who helped those who were taken by the nazis, and there were kind people who did kind things.
I am kind of a expert on anything holocaust:)