Which two factors helped the Greek city-states develop strong economies?

the two things that develop a strong social foundation are: a. separation of church and states e. education received attention separation of church and states separate the illogical  argument that came from religious beliefs to a fact based belief. while education will make us remember the past to avoid the repeat of our mistakes.

sharecropper (you may punch em in the face if im wrong lol)

the principle of popular sovereignty is most closely related to the concept of

democracy