I can’t think of too many places it doesn’t happen.
In US schools, “tracks”.
In nations, “classes”
Zoos
Gated communities
Lack of access to travel
Prisons
Corporations
Branding
….
====
I can’t think of too many places it doesn’t happen.
In US schools, “tracks”.
In nations, “classes”
Zoos
Gated communities
Lack of access to travel
Prisons
Corporations
Branding
….
====