Why was Cyrus the great famous for an advanced civilization? ​

study.com says "In 550 B.C.E. Cyrus the Great, the leader of the Persians, conquered the Medes and united the Iranian people under one ruler for the first time. Cyrus became the first king of the Persian Empire and went on to establish one of the largest empires in the world"

Explanation:

fourteenth amendment

the answer is b: the religion they practice.

here's why:

there were many different native american tribes and those with similar characteristics formed a main tribe or nation. each had its own language, religion and customs.