What is one way that darius united the persian empire

He established 20 provinces run by governors, while he and his council oversaw their activities.

He established 20 provinces ruled by Persian governors, responsible to the king and his council. The governors were responsible for internal and external defence and improving the living standards of the people, while allowing them to follow their traditional governance and lifestyle.

Hope this helped.

if you could provide the poem below, i'd be happy to you!

explanation:

you didn't give us the poem, or the title of the poem. but it is essential for you to give us that, otherwise we can not detect when the poem has a tonal shift!

there is not all the infomation needed to answer this question.   we need the who was going, or we need to know what islands you are talking about.