Question

In the period between 1933 and 1936, the nazi regime implemented laws that defined who was and was not jewish according to ancestry. any person with three or four jewish grandparents was considered a "full-blooded" jew; those with fewer (but more than zero) were considered "half-breeds" or "mongrels." this approach to dividing and categorizing people relies on the assumption that:

Answer 1

It's based on the assumption that: race is a biological reality.
Many argued that 'race' is by product of human creation that society makes in order to impose its dominance toward another society.
Similar 'race' automatically create a sense of belonging that could unite each members toward a same goal.