Why did independent greek city-states develop instead of a single state covering the entire greek peninsula

Mycenaean kings could not effectively rule vast territories.

states

explanation:

as the old saying goes, all politics are local. state and federal governments affect our daily lives in numerous ways. yet, in our federal system, there is supposed to be a balance between federal and state power. as james madison envisioned it in federalist no. 51, “the power surrendered by the people” would be “divided between two distinct governments,” creating a balance of power that would enable the “different governments [to] control each other.”

adopted the practice of proskynesis, a persian court custom that involved bowing down and kissing the hand of others, depending on their rank.