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what is a characteristic that pulled the greek city-states together?

poetry of homer

national anthem

food growth and preparation

Poetry of Homer.

Explanation:

The poetry of Homer was a very important common trait that contributed to pulling the Greek city-states together. The poetry of Homer contributed to the creation and development of a cultural identity that unified the Greek city-states. It gave rise to common stories, myths and other cultural traits. In this way, it allowed the Greek citizens to feel like they belonged to a defined civilization, and to have a sense of connection between them and other Greek citizens.

what are the others?

the french gave their support to another tribe during he war.