Aside from the obvious reasons already mentioned, I wonder if the reason for the regress was not partially related to compound inbreeding. In most cases when technological regress happens, it tends to coincide with a genetic bottleneck as well, which I have a hunch would make the problems worse.
Aside from the obvious reasons already mentioned, I wonder if the reason for the regress was not partially related to compound inbreeding. In most cases when technological regress happens, it tends to coincide with a genetic bottleneck as well, which I have a hunch would make the problems worse.