Answer:
The answer is C
Step-by-step explanation:
Each of these city-states was considered a kind of separate and independent nation and called the inhabitants of the other polis(citys) "foreigners."
Despite this autonom, wars , battles, trade conflict, all were considered part of the same civilization. This feeling was based on a common language and religion, a legendary tradition and great cultural creations in the fields of art, literature, science and philosophy.
Paradoxically, the hostility between polis was what triggered the Peloponnesian War, a conflict that allowed the conquest of Greece by Philip II, king of Macedonia and political unification