Athens turned the Delian League which it had led against the Persian Empire into an empire of its own, and used this power to try to oppress the other Greek city-states, leading to the devastating 27-year Peloponnesian War which it lost and was stripped of its empire.
The Greek and Persian War started in 499 B.C.
Which particular war? The Persian what?
The Greek city-states. Which group of people are you asking about.
It was between an alliance of Greek city-states and the Persian Empire. Today we call it the Persian War to differentiate it from the wars between the Greek city-states. It is often called the Greco-Persian War.
It ended Persian attempts to control Greek war-making, leaving the Greek city-states to increasingly destructive wars with each other.
The Roman Republic was just a city-state in Italy and not involved in the Persian War 499-449 BCE, which was between Persia and the Greek city-states of the eastern Mediterranean.
Not at all. The war began when the restive Greek city-states within the Persian Empire revolted.
The Persian army, and the armies of the Greek city-states.
The Persian Empire and a coalition of Greek city-states.
The Persian thought the Persian Empire. The coalitions of Greek city-states thought the coalitions of Greek city-states.
The Greek city-states in Asia Minor revolted against rule by the Persian Empire.
The war between the Greek city-states and the Persian Empire 499-449 BCE.