Which factor was a key reason for the economic success of the Greek city-states

Which factor was a key reason for the economic success of the Greek city-states?

A. new farming techniques

B. geographical isolation

C. war and conquest

D. a booming system of trade

D. a booming system of trade

Explanation:

One major reason for the economic success of the Greek city-states was their successful trade with other civilization.

Athens and Sparta engaged in trade with other countries, buying and selling which helped them to become economically secure and successful.

lee and grant, both of whom held the highest rank in their respective armies, had known each other slightly during the mexican-american war (1846-48) and began their dialogue by exchanging awkward personal inquiries. characteristically, grant had arrived in his mud-splattered field uniform while lee had turned out in full dress attire, complete with sash and sword.

explanation:

this is true hope this

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