Persia did not unify, the Persian Empire was divided into 20 provinces with Persian governors.. Within the provinces, local government continued along its normal course - city-states, tribes, petty kingdoms, which kept the various peoples happy, with the governors looking after internal and external security, taxes and development.
They adopted the customs of other cultures, which made it easier to maintain control of their vast empire.
They adopted the customs of other cultures, which made it easier to maintain control of their vast empire.
They adopted the customs of other cultures, which made it easier to maintain control of their vast empire.
They adopted the customs of other cultures, which made it easier to maintain control of their vast empire.
They adopted the customs of other cultures, which made it easier to maintain control of their vast empire.
They adopted the customs of other cultures, which made it easier to maintain control of their vast empire.
They adopted the customs of other cultures which made it easier to maintain control of their vast Empire
They adopted the customs of other cultures which made it easier to maintain control of their vast Empire
They adopted the customs of other cultures, which made it easier to maintain control of their vast empire.
They adopted the customs of other cultures, which made it easier to maintain control of their vast empire.
One World is a dream which doesn't work today, much less back then. However unification of people was indeed important to them, and the purpose of their empire was just that.
They adopted the customs of other cultures, which made it easier to maintain control of their vast empire.