Who conquered the Greek city-states before the Persians?

Fifty years before the war started, Cyrus the Great had conquered the Greek colonies on the western coast of Asia Minor, an area the Greeks called Ionia. The Persians put a tyrant in charge of each city or polis. About 530 BC Cyrus died in battle. A map of almost all the parts of the Greek world that took part in the Greco-Persian Wars

Explanation:

It is written in the constitution saying all beliefs are allowed in the u.s. justice will be surved to everyone no matter what the color of that person is. and that all people are equal not matter there color is the u.s. that was a lie though because black people were still treated poorly, and there were places that was white people only such as hospitals, schools, bathroom, and more.