He first got rid of a pretender king Bardiya after King Cambyses died.
Then he divided the empire into 20 provinces and established a Persian governor in each, responsible for internal and external security and collection of taxes. These were overseen by the king and his council and supported by the regular army forces. He also levied from the cities and provinces fleets of warships which formed the naval protection for security and trade.
If you list 'the following' you might get an answer.
darius used some of persian's great wealth to build roads across the empire
No - Darius I was not a Mede, he was Persian. And Persians and Medes were not black, they were Indo-European.
Yes, under the Persian King Darius, Afghanistan was part of the Persian Empire because of his conquests for expanding the empire.
Darius III.
If you list 'the following' you might get an answer.
Bribing the aristocracies of the Greek city-states in mainland Greece to accept Persian overlordship.
darius used some of persian's great wealth to build roads across the empire
The Persian Empire.
Darius improved economic life in the Persian empire by encouraging the development of a money economy
The Persian Empire.
Darius was king of the Persian Empire, not a god. Babylon was part of his empire.
They were leaders the Persian Empire. Darius was the father of Xerxes. Darius led the Persians in the first Persian war, while Xerxes led the Persians in the second Persian war.
No - Darius I was not a Mede, he was Persian. And Persians and Medes were not black, they were Indo-European.
Yes, under the Persian King Darius, Afghanistan was part of the Persian Empire because of his conquests for expanding the empire.
Darius III.
Persian.