No it didn't.
First by conquest, then by maintaining peace internally and providing protection externaliy.
It enforced internal peace and security, external protection, and promoted prosperity.
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.
Alexander conquered the Persian Empire.
An empire is an empire, a war is a war.
The Persian Empire incorporated the Indus Valley.