Racial hatred came down to very practical problems. Get Friedrich and review it. Read this section again and supply its fuller context. Report on the social and political situation in Nazi Germany. To make decisions about people's lives is hardly the sort of power anyone gives another.
Dictators have it and triage doctors do to some extent in war and crisis.
But in this exercise, you must find a way of giving authority to your decisions or you cannot make them. Group decisions cannot be easily made, and if they were, you would have to have someone to enforce the group decision over the individual's. A decision based on Chance should be used to decide. In this way, no one is to blame and everyone should abide by it as they agreed to it. So dying is like the circumstances of life - they occur quite by accident for most people.