Which empire was a threat to the greeks

For ancient Greece, the empire that was the closest to them and also always tried to conquer them was the Persian Empire.

Explanation: When we look at the history of ancient Greece, we see that in the 6th-4th centuries B.C, Persia bothered Greece in order to conquer them. Some famous battles that the Persians and the Greeks fought were:

- The Battle of Thermopylae: You might know this battle as the "300 Spartans"

- The Battle of Marathon: Pheidippides ran a whole marathon to tell Athens the victory against King Darius I of Persia.

- The Battle of Salamis: An epic navy battle in which the Greeks crushed the Persians at the Peloponnesian peninsula using Greece's geography.

the word that best sums up the tone of the newspaper regarding the treaty of versailles is resentful.