Why was the concept of one world or the unification of all people important to persia

They had no tolerance for other cultures, so they made their conquered peoples to adopt the Persian culture.  

Explanation:

The Persian civilization was one of the most significant civilizations of antiquity. Persia was located east of Mesopotamia, on a large plateau where it now corresponds to Iran, located between the Persian Gulf and the Caspian Sea.  

The Persians conquered many peoples who lived near the highlands of Iran, imposing the same administration and customs on all, creating the concept of "one world". They eventually built a vast empire. Its territory comprised Asia Minor, Mesopotamia, and a part of Central Asia.

explanation:

the answer is the huegonots.

music always has an important role in culture and societies, infact for example rock’n roll music has conditioned different areas of pop culture above all in the 60s. in the modern american society its role is different.

unfortunately many think about how some unfortunate events happened to the columbine high school shootings can be related to rock music just because the teenagers involved listened to this kind of music.

i think that we can valorize the change to take refuge in this genre of music to keep on in everyday life, teenagers are comfortable when they can listen to a song about a specific problem. realizing that someone else is living your personal drama too can them to feel less lonely nowadays.