The city-state of athens was an important part of greek civilization because it introduced
the concept of "rebirth."
key trade routes.
the rise of a large empire.
the concept of democracy.

the concept of democracy

Explanation:

Option: The concept of democracy.

Explanation:

The city-state of Athens was able to introduce democracy in the Greek civilization in 6th B.C. Democracy is very different from Ancient Greece what we know of it today. Athens introduce direct democracy which allowed all Athenians to vote on rules and laws. Only male citizens were allowed to vote because women, slaves, and children were not considered to be citizens of the city-state.