Answer:
Correct answer is b- city states .
Explanation:
B is the correct answer because city states were independent political entities that had different forms of government, internal organization, but were also connected with language, culture, beliefs..
A is not correct as mercenaries are soldiers who are payed to fight.
C is not correct as empires are a large political unified entities that are stretching across larger territory.
D is not correct as places were prophecies were foretold.