Separate areas in Ancient Greece were known as , which each having their own rules and governments.

The correct answer to this open question is the following.

Although there are no options attached we can say the following.

Separate areas in Ancient Greece were known as city-states, which each having its own rules and governments.

The two most important or powerful city-states were Athens and Sparta. These two city-states had their own form of government and competed practically in everything until the differences made them wage war in the famous Peleponnese War.

The major causes for the Peloponnese War were that Sparta did not trust the Athenian democratic government, Athens banned trade with a member of the Peloponnese League, and Sparta refused Athen’s invitation to join the Delian League.