Ancient Greece was able to develop a city-state style of government because A.
all areas had access to the Aegean Sea
B. the Minoans prevented trade and travel
C. each group spoke its own language
D.
the mountains kept the Greeks from uniting

Explanation:

Each group spoke its own language

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.