Answer :
I'll list 3
1. they used gas chambers
2. they would make jews stand in lines and would shoot them
3. some people were hung upside down to submerge their head in water and drown them
I'll list 3
1. they used gas chambers
2. they would make jews stand in lines and would shoot them
3. some people were hung upside down to submerge their head in water and drown them