Which city are you asking about. There were hundreds of cities within the Persian Empire.
The Persian Empire.
The Persian Empire was not a person.
Persian Empire
The Persian Empire absorbed the Babylonian Empire.
Alexander the Great defeated the Persian empire
The Persian Empire absorbed the Baabylonian Empire.
Each of the Persian provincial governors was responsible to provide infrastructure. Such roads and waterways, canals, irrigation etc were coordinated on an empire-basis to ensure they linked up. A communications road also provided an east-west link.
The Persian Empire incorporated the Indus Valley.
Alexander conquered the Persian Empire.
An empire is an empire, a war is a war.
Human labour, slave and free, overseen by the system of provincial governors.
The Persian Empire was brought to an end by who?