Which ancient civilization established the basis of western democracy?

Greece was the first country who had established western democracy. Though other civilizations, like the Vikings and Phoenicia had shown democracy, however it was very limited. Western Democracy started with Greece. Greece was the first civilization who had allowed sovereignty to reign

explanation:

the addition to geographic boundaries that might have  kept the people of the huang river civilization from traveling to far distance region is that they had learned about the other river valley civilizations but feared contact would bring invasion.

hope this .

plz give me brainliest!