Armoured infantry (hoplites), light infantry and archers.
The Persians attacked the Greeks in the Persian war
Its called ''the Persian wars'' or the ''Greco-Persian wars''.
The Greeks prevailing over Persian expansionism gave to the Greeks confidence in their military arms to defeat Persian armies/navies .
The Greeks fought the Persians in the Greco-Persian Wars
The Persian Wars pitted the Persians against the mainland Greeks. Eventually, the Greeks won after defeating the Persians by land and sea in the Second Persian War. Later, the Macedonian Geeks, under Alexander the Great, invaded and conquered the Persian Empire.
The Persian Wars where the Persians fought the Greeks (Greco-Persian Wars)occurred between 499 BC and lasted until 449 BC .
To prevent Persian takeover of the Greek cities in Europe as had already happened to the Greek cities in Asia.
The Persian Empire went to war with the Greeks during the Greco-Persian Wars, which occurred in the 5th century BCE. Notable conflicts include the Battles of Marathon, Thermopylae, and Salamis, where the Greeks united against the Persian forces. These wars ultimately led to a significant decline in Persian influence in the region and the rise of Greek city-states, particularly Athens and Sparta, as major powers.
Well yes - they were on one side, the Persians on the other.
By establishing sea superiority, which enabled them to outmanoeuvre Persian land operations and restrict their logistic support.
It would not have changed one iota.
Their infantry warriors wore metal armour, which the Persians did not.