Ancient Greek city states were isolated because much of Greece is islands or mountains.
The Greeks were not isolated - they founded over 2,000 city-states around the Mediterranean and Black Seas.
Because Greece had a lot of mountain ranges which prevented contact between city states.
what ideas developed in Greeks city-states
On the contrary, the Greeks expanded into other civilizations. From their initial settlement in Greece, overpopulation forced them to send out surplus populations to seize land around the Mediterranean and Black seas, resulting in over 2,000 city states.
what ideas developed in Greeks city-states
Yes.
Polis
city-states
Polis
The Greeks established colonies for trading with other city-states.
because of high mountains
A population of ethnic Greeks.