Three reasons for population distribution and settlement location in ancient egypt

Roman Egypt, settlements, population distribution, population ... It is probable that ancient society was heavily urbanized, at least by pre-industrial standards. ... Three types of settlement existed: poleis, metropoleis, and komai, which are for practical reasons: single figures lend themselves to easy comparison.

It is meant that like tapestry scientific theories often need to pull out since they are not relevant and often times the whole chain of theories may be pulled out.